Home / 347,831.80-521,553.30-148,118.20

Finding the Fourth Proportional to 347,831.80, 521,553.30 and 148,118.20

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Solution

The fourth proportional to 347,831.80, 521,553.30 and 148,118.20 is: 222,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,831.80 : 521,553.30 = 148,118.20 : x
  2. Step 2: Convert to fraction form
    347,831.80/521,553.30 = 148,118.20/x
  3. Step 3: Cross multiply
    347,831.80x = 521,553.30 × 148,118.20
  4. Step 4: Simplify right side
    347,831.80x = 77,251,536,000.06
  5. Step 5: Solve for x
    x = 77,251,536,000.06/347,831.80
  6. Step 6: Final answer
    x = 222,094.52

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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.