Home / 351,916.80-527,862.40-141,497.60

Finding the Fourth Proportional to 351,916.80, 527,862.40 and 141,497.60

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Solution

The fourth proportional to 351,916.80, 527,862.40 and 141,497.60 is: 212,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,916.80 : 527,862.40 = 141,497.60 : x
  2. Step 2: Convert to fraction form
    351,916.80/527,862.40 = 141,497.60/x
  3. Step 3: Cross multiply
    351,916.80x = 527,862.40 × 141,497.60
  4. Step 4: Simplify right side
    351,916.80x = 74,691,262,730.24
  5. Step 5: Solve for x
    x = 74,691,262,730.24/351,916.80
  6. Step 6: Final answer
    x = 212,241.25

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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.