Home / 347,832.30-521,359.65-148,118.70

Finding the Fourth Proportional to 347,832.30, 521,359.65 and 148,118.70

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Solution

The fourth proportional to 347,832.30, 521,359.65 and 148,118.70 is: 222,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,832.30 : 521,359.65 = 148,118.70 : x
  2. Step 2: Convert to fraction form
    347,832.30/521,359.65 = 148,118.70/x
  3. Step 3: Cross multiply
    347,832.30x = 521,359.65 × 148,118.70
  4. Step 4: Simplify right side
    347,832.30x = 77,223,113,590.46
  5. Step 5: Solve for x
    x = 77,223,113,590.46/347,832.30
  6. Step 6: Final answer
    x = 222,012.49

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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.