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Finding the Fourth Proportional to 292,004.80, 402,938.59 and 177,346.18

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Solution

The fourth proportional to 292,004.80, 402,938.59 and 177,346.18 is: 244,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,004.80 : 402,938.59 = 177,346.18 : x
  2. Step 2: Convert to fraction form
    292,004.80/402,938.59 = 177,346.18/x
  3. Step 3: Cross multiply
    292,004.80x = 402,938.59 × 177,346.18
  4. Step 4: Simplify right side
    292,004.80x = 71,459,619,711.09
  5. Step 5: Solve for x
    x = 71,459,619,711.09/292,004.80
  6. Step 6: Final answer
    x = 244,720.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.