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Finding the Fourth Proportional to 661,478.35, 992,213.83 and 240,754.23

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Solution

The fourth proportional to 661,478.35, 992,213.83 and 240,754.23 is: 361,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,478.35 : 992,213.83 = 240,754.23 : x
  2. Step 2: Convert to fraction form
    661,478.35/992,213.83 = 240,754.23/x
  3. Step 3: Cross multiply
    661,478.35x = 992,213.83 × 240,754.23
  4. Step 4: Simplify right side
    661,478.35x = 238,879,676,637.00
  5. Step 5: Solve for x
    x = 238,879,676,637.00/661,478.35
  6. Step 6: Final answer
    x = 361,130.00

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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.