Home / 558,287.84-837,432.20-137,563.76

Finding the Fourth Proportional to 558,287.84, 837,432.20 and 137,563.76

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Solution

The fourth proportional to 558,287.84, 837,432.20 and 137,563.76 is: 206,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,287.84 : 837,432.20 = 137,563.76 : x
  2. Step 2: Convert to fraction form
    558,287.84/837,432.20 = 137,563.76/x
  3. Step 3: Cross multiply
    558,287.84x = 837,432.20 × 137,563.76
  4. Step 4: Simplify right side
    558,287.84x = 115,200,318,333.82
  5. Step 5: Solve for x
    x = 115,200,318,333.82/558,287.84
  6. Step 6: Final answer
    x = 206,345.74

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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.