Home / 418,070.87-577,177.18-275,246.10

Finding the Fourth Proportional to 418,070.87, 577,177.18 and 275,246.10

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Solution

The fourth proportional to 418,070.87, 577,177.18 and 275,246.10 is: 379,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,070.87 : 577,177.18 = 275,246.10 : x
  2. Step 2: Convert to fraction form
    418,070.87/577,177.18 = 275,246.10/x
  3. Step 3: Cross multiply
    418,070.87x = 577,177.18 × 275,246.10
  4. Step 4: Simplify right side
    418,070.87x = 158,865,763,541.88
  5. Step 5: Solve for x
    x = 158,865,763,541.88/418,070.87
  6. Step 6: Final answer
    x = 379,997.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.