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Finding the Fourth Proportional to 407,792.13, 611,940.80 and 237,094.18

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Solution

The fourth proportional to 407,792.13, 611,940.80 and 237,094.18 is: 355,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,792.13 : 611,940.80 = 237,094.18 : x
  2. Step 2: Convert to fraction form
    407,792.13/611,940.80 = 237,094.18/x
  3. Step 3: Cross multiply
    407,792.13x = 611,940.80 × 237,094.18
  4. Step 4: Simplify right side
    407,792.13x = 145,087,602,184.54
  5. Step 5: Solve for x
    x = 145,087,602,184.54/407,792.13
  6. Step 6: Final answer
    x = 355,788.14

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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.