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Finding the Fourth Proportional to 474,316.66, 654,572.75 and 259,456.97

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Solution

The fourth proportional to 474,316.66, 654,572.75 and 259,456.97 is: 358,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,316.66 : 654,572.75 = 259,456.97 : x
  2. Step 2: Convert to fraction form
    474,316.66/654,572.75 = 259,456.97/x
  3. Step 3: Cross multiply
    474,316.66x = 654,572.75 × 259,456.97
  4. Step 4: Simplify right side
    474,316.66x = 169,833,462,698.72
  5. Step 5: Solve for x
    x = 169,833,462,698.72/474,316.66
  6. Step 6: Final answer
    x = 358,059.24

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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.