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Finding the Fourth Proportional to 417,227.72, 575,750.16 and 245,118.92

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Solution

The fourth proportional to 417,227.72, 575,750.16 and 245,118.92 is: 338,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,227.72 : 575,750.16 = 245,118.92 : x
  2. Step 2: Convert to fraction form
    417,227.72/575,750.16 = 245,118.92/x
  3. Step 3: Cross multiply
    417,227.72x = 575,750.16 × 245,118.92
  4. Step 4: Simplify right side
    417,227.72x = 141,127,257,409.03
  5. Step 5: Solve for x
    x = 141,127,257,409.03/417,227.72
  6. Step 6: Final answer
    x = 338,249.95

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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.