Home / 434,871.31-652,368.47-135,382.12

Finding the Fourth Proportional to 434,871.31, 652,368.47 and 135,382.12

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Solution

The fourth proportional to 434,871.31, 652,368.47 and 135,382.12 is: 203,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,871.31 : 652,368.47 = 135,382.12 : x
  2. Step 2: Convert to fraction form
    434,871.31/652,368.47 = 135,382.12/x
  3. Step 3: Cross multiply
    434,871.31x = 652,368.47 × 135,382.12
  4. Step 4: Simplify right side
    434,871.31x = 88,319,026,489.76
  5. Step 5: Solve for x
    x = 88,319,026,489.76/434,871.31
  6. Step 6: Final answer
    x = 203,092.33

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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.