Home / 258,723.96-357,038.52-145,546.71

Finding the Fourth Proportional to 258,723.96, 357,038.52 and 145,546.71

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Solution

The fourth proportional to 258,723.96, 357,038.52 and 145,546.71 is: 200,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,723.96 : 357,038.52 = 145,546.71 : x
  2. Step 2: Convert to fraction form
    258,723.96/357,038.52 = 145,546.71/x
  3. Step 3: Cross multiply
    258,723.96x = 357,038.52 × 145,546.71
  4. Step 4: Simplify right side
    258,723.96x = 51,965,780,044.57
  5. Step 5: Solve for x
    x = 51,965,780,044.57/258,723.96
  6. Step 6: Final answer
    x = 200,854.15

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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.