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Finding the Fourth Proportional to 417,707.76, 576,437.22 and 226,721.22

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Solution

The fourth proportional to 417,707.76, 576,437.22 and 226,721.22 is: 312,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,707.76 : 576,437.22 = 226,721.22 : x
  2. Step 2: Convert to fraction form
    417,707.76/576,437.22 = 226,721.22/x
  3. Step 3: Cross multiply
    417,707.76x = 576,437.22 × 226,721.22
  4. Step 4: Simplify right side
    417,707.76x = 130,690,549,771.81
  5. Step 5: Solve for x
    x = 130,690,549,771.81/417,707.76
  6. Step 6: Final answer
    x = 312,875.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.