Home / 472,989.38-652,739.18-258,143.22

Finding the Fourth Proportional to 472,989.38, 652,739.18 and 258,143.22

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Solution

The fourth proportional to 472,989.38, 652,739.18 and 258,143.22 is: 356,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,989.38 : 652,739.18 = 258,143.22 : x
  2. Step 2: Convert to fraction form
    472,989.38/652,739.18 = 258,143.22/x
  3. Step 3: Cross multiply
    472,989.38x = 652,739.18 × 258,143.22
  4. Step 4: Simplify right side
    472,989.38x = 168,500,192,454.64
  5. Step 5: Solve for x
    x = 168,500,192,454.64/472,989.38
  6. Step 6: Final answer
    x = 356,245.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.