Home / 558,652.20-838,027.70-159,284.40

Finding the Fourth Proportional to 558,652.20, 838,027.70 and 159,284.40

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Solution

The fourth proportional to 558,652.20, 838,027.70 and 159,284.40 is: 238,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,652.20 : 838,027.70 = 159,284.40 : x
  2. Step 2: Convert to fraction form
    558,652.20/838,027.70 = 159,284.40/x
  3. Step 3: Cross multiply
    558,652.20x = 838,027.70 × 159,284.40
  4. Step 4: Simplify right side
    558,652.20x = 133,484,739,377.88
  5. Step 5: Solve for x
    x = 133,484,739,377.88/558,652.20
  6. Step 6: Final answer
    x = 238,940.69

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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.