Home / 472,621.60-708,997.20-157,045.60

Finding the Fourth Proportional to 472,621.60, 708,997.20 and 157,045.60

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Solution

The fourth proportional to 472,621.60, 708,997.20 and 157,045.60 is: 235,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,621.60 : 708,997.20 = 157,045.60 : x
  2. Step 2: Convert to fraction form
    472,621.60/708,997.20 = 157,045.60/x
  3. Step 3: Cross multiply
    472,621.60x = 708,997.20 × 157,045.60
  4. Step 4: Simplify right side
    472,621.60x = 111,344,890,672.32
  5. Step 5: Solve for x
    x = 111,344,890,672.32/472,621.60
  6. Step 6: Final answer
    x = 235,589.93

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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.