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Finding the Fourth Proportional to 418,251, 577,189.08 and 227,264.34

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Solution

The fourth proportional to 418,251, 577,189.08 and 227,264.34 is: 313,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,251 : 577,189.08 = 227,264.34 : x
  2. Step 2: Convert to fraction form
    418,251/577,189.08 = 227,264.34/x
  3. Step 3: Cross multiply
    418,251x = 577,189.08 × 227,264.34
  4. Step 4: Simplify right side
    418,251x = 131,174,495,321.41
  5. Step 5: Solve for x
    x = 131,174,495,321.41/418,251
  6. Step 6: Final answer
    x = 313,626.26

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1.5x scale

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.