Home / 559,122.27-838,683.30-138,398.16

Finding the Fourth Proportional to 559,122.27, 838,683.30 and 138,398.16

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Solution

The fourth proportional to 559,122.27, 838,683.30 and 138,398.16 is: 207,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,122.27 : 838,683.30 = 138,398.16 : x
  2. Step 2: Convert to fraction form
    559,122.27/838,683.30 = 138,398.16/x
  3. Step 3: Cross multiply
    559,122.27x = 838,683.30 × 138,398.16
  4. Step 4: Simplify right side
    559,122.27x = 116,072,225,542.73
  5. Step 5: Solve for x
    x = 116,072,225,542.73/559,122.27
  6. Step 6: Final answer
    x = 207,597.21

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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.