Home / 343,272.20-514,908.30-106,687.40

Finding the Fourth Proportional to 343,272.20, 514,908.30 and 106,687.40

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Solution

The fourth proportional to 343,272.20, 514,908.30 and 106,687.40 is: 160,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,272.20 : 514,908.30 = 106,687.40 : x
  2. Step 2: Convert to fraction form
    343,272.20/514,908.30 = 106,687.40/x
  3. Step 3: Cross multiply
    343,272.20x = 514,908.30 × 106,687.40
  4. Step 4: Simplify right side
    343,272.20x = 54,934,227,765.42
  5. Step 5: Solve for x
    x = 54,934,227,765.42/343,272.20
  6. Step 6: Final answer
    x = 160,031.10

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1.5x scale

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.