Home / 347,727.30-521,202.15-148,013.70

Finding the Fourth Proportional to 347,727.30, 521,202.15 and 148,013.70

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Solution

The fourth proportional to 347,727.30, 521,202.15 and 148,013.70 is: 221,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,727.30 : 521,202.15 = 148,013.70 : x
  2. Step 2: Convert to fraction form
    347,727.30/521,202.15 = 148,013.70/x
  3. Step 3: Cross multiply
    347,727.30x = 521,202.15 × 148,013.70
  4. Step 4: Simplify right side
    347,727.30x = 77,145,058,669.46
  5. Step 5: Solve for x
    x = 77,145,058,669.46/347,727.30
  6. Step 6: Final answer
    x = 221,855.05

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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.