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Finding the Fourth Proportional to 402,582.60, 604,133.10 and 234,102.60

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Solution

The fourth proportional to 402,582.60, 604,133.10 and 234,102.60 is: 351,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,582.60 : 604,133.10 = 234,102.60 : x
  2. Step 2: Convert to fraction form
    402,582.60/604,133.10 = 234,102.60/x
  3. Step 3: Cross multiply
    402,582.60x = 604,133.10 × 234,102.60
  4. Step 4: Simplify right side
    402,582.60x = 141,429,129,456.06
  5. Step 5: Solve for x
    x = 141,429,129,456.06/402,582.60
  6. Step 6: Final answer
    x = 351,304.63

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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.