Home / 605,621.55-908,435.76-156,311.70

Finding the Fourth Proportional to 605,621.55, 908,435.76 and 156,311.70

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Solution

The fourth proportional to 605,621.55, 908,435.76 and 156,311.70 is: 234,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,621.55 : 908,435.76 = 156,311.70 : x
  2. Step 2: Convert to fraction form
    605,621.55/908,435.76 = 156,311.70/x
  3. Step 3: Cross multiply
    605,621.55x = 908,435.76 × 156,311.70
  4. Step 4: Simplify right side
    605,621.55x = 141,999,139,982.79
  5. Step 5: Solve for x
    x = 141,999,139,982.79/605,621.55
  6. Step 6: Final answer
    x = 234,468.44

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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.