Home / 347,818.20-521,727.30-148,145.10

Finding the Fourth Proportional to 347,818.20, 521,727.30 and 148,145.10

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Solution

The fourth proportional to 347,818.20, 521,727.30 and 148,145.10 is: 222,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,818.20 : 521,727.30 = 148,145.10 : x
  2. Step 2: Convert to fraction form
    347,818.20/521,727.30 = 148,145.10/x
  3. Step 3: Cross multiply
    347,818.20x = 521,727.30 × 148,145.10
  4. Step 4: Simplify right side
    347,818.20x = 77,291,343,031.23
  5. Step 5: Solve for x
    x = 77,291,343,031.23/347,818.20
  6. Step 6: Final answer
    x = 222,217.65

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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.