Home / 418,711.12-577,824.08-227,725.90

Finding the Fourth Proportional to 418,711.12, 577,824.08 and 227,725.90

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Solution

The fourth proportional to 418,711.12, 577,824.08 and 227,725.90 is: 314,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,711.12 : 577,824.08 = 227,725.90 : x
  2. Step 2: Convert to fraction form
    418,711.12/577,824.08 = 227,725.90/x
  3. Step 3: Cross multiply
    418,711.12x = 577,824.08 × 227,725.90
  4. Step 4: Simplify right side
    418,711.12x = 131,585,507,521.04
  5. Step 5: Solve for x
    x = 131,585,507,521.04/418,711.12
  6. Step 6: Final answer
    x = 314,263.23

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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.