Home / 347,829.30-521,549.55-148,115.70

Finding the Fourth Proportional to 347,829.30, 521,549.55 and 148,115.70

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Solution

The fourth proportional to 347,829.30, 521,549.55 and 148,115.70 is: 222,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,829.30 : 521,549.55 = 148,115.70 : x
  2. Step 2: Convert to fraction form
    347,829.30/521,549.55 = 148,115.70/x
  3. Step 3: Cross multiply
    347,829.30x = 521,549.55 × 148,115.70
  4. Step 4: Simplify right side
    347,829.30x = 77,249,676,682.94
  5. Step 5: Solve for x
    x = 77,249,676,682.94/347,829.30
  6. Step 6: Final answer
    x = 222,090.77

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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.