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Finding the Fourth Proportional to 502,602.16, 752,820.64 and 235,963.12

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Solution

The fourth proportional to 502,602.16, 752,820.64 and 235,963.12 is: 353,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,602.16 : 752,820.64 = 235,963.12 : x
  2. Step 2: Convert to fraction form
    502,602.16/752,820.64 = 235,963.12/x
  3. Step 3: Cross multiply
    502,602.16x = 752,820.64 × 235,963.12
  4. Step 4: Simplify right side
    502,602.16x = 177,637,907,014.80
  5. Step 5: Solve for x
    x = 177,637,907,014.80/502,602.16
  6. Step 6: Final answer
    x = 353,436.42

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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.