Home / 493,259.31-739,914.45-156,335.76

Finding the Fourth Proportional to 493,259.31, 739,914.45 and 156,335.76

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Solution

The fourth proportional to 493,259.31, 739,914.45 and 156,335.76 is: 234,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,259.31 : 739,914.45 = 156,335.76 : x
  2. Step 2: Convert to fraction form
    493,259.31/739,914.45 = 156,335.76/x
  3. Step 3: Cross multiply
    493,259.31x = 739,914.45 × 156,335.76
  4. Step 4: Simplify right side
    493,259.31x = 115,675,087,875.73
  5. Step 5: Solve for x
    x = 115,675,087,875.73/493,259.31
  6. Step 6: Final answer
    x = 234,511.72

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1.5x scale

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.