Home / 418,627.23-577,698.98-227,638.95

Finding the Fourth Proportional to 418,627.23, 577,698.98 and 227,638.95

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Solution

The fourth proportional to 418,627.23, 577,698.98 and 227,638.95 is: 314,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,627.23 : 577,698.98 = 227,638.95 : x
  2. Step 2: Convert to fraction form
    418,627.23/577,698.98 = 227,638.95/x
  3. Step 3: Cross multiply
    418,627.23x = 577,698.98 × 227,638.95
  4. Step 4: Simplify right side
    418,627.23x = 131,506,789,223.27
  5. Step 5: Solve for x
    x = 131,506,789,223.27/418,627.23
  6. Step 6: Final answer
    x = 314,138.16

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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.