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Finding the Fourth Proportional to 402,902.29, 604,252.93 and 118,536.22

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Solution

The fourth proportional to 402,902.29, 604,252.93 and 118,536.22 is: 177,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,902.29 : 604,252.93 = 118,536.22 : x
  2. Step 2: Convert to fraction form
    402,902.29/604,252.93 = 118,536.22/x
  3. Step 3: Cross multiply
    402,902.29x = 604,252.93 × 118,536.22
  4. Step 4: Simplify right side
    402,902.29x = 71,625,858,246.12
  5. Step 5: Solve for x
    x = 71,625,858,246.12/402,902.29
  6. Step 6: Final answer
    x = 177,774.76

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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.