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Finding the Fourth Proportional to 558,875.16, 838,101.06 and 239,013.60

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Solution

The fourth proportional to 558,875.16, 838,101.06 and 239,013.60 is: 358,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,875.16 : 838,101.06 = 239,013.60 : x
  2. Step 2: Convert to fraction form
    558,875.16/838,101.06 = 239,013.60/x
  3. Step 3: Cross multiply
    558,875.16x = 838,101.06 × 239,013.60
  4. Step 4: Simplify right side
    558,875.16x = 200,317,551,514.42
  5. Step 5: Solve for x
    x = 200,317,551,514.42/558,875.16
  6. Step 6: Final answer
    x = 358,429.87

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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.