Home / 347,226.60-521,012.70-136,871.40

Finding the Fourth Proportional to 347,226.60, 521,012.70 and 136,871.40

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Solution

The fourth proportional to 347,226.60, 521,012.70 and 136,871.40 is: 205,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,226.60 : 521,012.70 = 136,871.40 : x
  2. Step 2: Convert to fraction form
    347,226.60/521,012.70 = 136,871.40/x
  3. Step 3: Cross multiply
    347,226.60x = 521,012.70 × 136,871.40
  4. Step 4: Simplify right side
    347,226.60x = 71,311,737,666.78
  5. Step 5: Solve for x
    x = 71,311,737,666.78/347,226.60
  6. Step 6: Final answer
    x = 205,375.22

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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.