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Finding the Fourth Proportional to 332,405.13, 458,720.31 and 181,502.13

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Solution

The fourth proportional to 332,405.13, 458,720.31 and 181,502.13 is: 250,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,405.13 : 458,720.31 = 181,502.13 : x
  2. Step 2: Convert to fraction form
    332,405.13/458,720.31 = 181,502.13/x
  3. Step 3: Cross multiply
    332,405.13x = 458,720.31 × 181,502.13
  4. Step 4: Simplify right side
    332,405.13x = 83,258,713,339.26
  5. Step 5: Solve for x
    x = 83,258,713,339.26/332,405.13
  6. Step 6: Final answer
    x = 250,473.61

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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.