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Finding the Fourth Proportional to 418,673.06, 577,752.72 and 227,686.68

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Solution

The fourth proportional to 418,673.06, 577,752.72 and 227,686.68 is: 314,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,673.06 : 577,752.72 = 227,686.68 : x
  2. Step 2: Convert to fraction form
    418,673.06/577,752.72 = 227,686.68/x
  3. Step 3: Cross multiply
    418,673.06x = 577,752.72 × 227,686.68
  4. Step 4: Simplify right side
    418,673.06x = 131,546,598,677.77
  5. Step 5: Solve for x
    x = 131,546,598,677.77/418,673.06
  6. Step 6: Final answer
    x = 314,198.86

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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.