Home / 240,812.48-361,113.98-128,467.64

Finding the Fourth Proportional to 240,812.48, 361,113.98 and 128,467.64

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Solution

The fourth proportional to 240,812.48, 361,113.98 and 128,467.64 is: 192,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,812.48 : 361,113.98 = 128,467.64 : x
  2. Step 2: Convert to fraction form
    240,812.48/361,113.98 = 128,467.64/x
  3. Step 3: Cross multiply
    240,812.48x = 361,113.98 × 128,467.64
  4. Step 4: Simplify right side
    240,812.48x = 46,391,460,781.61
  5. Step 5: Solve for x
    x = 46,391,460,781.61/240,812.48
  6. Step 6: Final answer
    x = 192,645.58

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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.