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Finding the Fourth Proportional to 661,477.35, 992,212.34 and 240,753.23

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Solution

The fourth proportional to 661,477.35, 992,212.34 and 240,753.23 is: 361,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,477.35 : 992,212.34 = 240,753.23 : x
  2. Step 2: Convert to fraction form
    661,477.35/992,212.34 = 240,753.23/x
  3. Step 3: Cross multiply
    661,477.35x = 992,212.34 × 240,753.23
  4. Step 4: Simplify right side
    661,477.35x = 238,878,323,256.83
  5. Step 5: Solve for x
    x = 238,878,323,256.83/661,477.35
  6. Step 6: Final answer
    x = 361,128.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.