Home / 258,867.52-357,178.08-145,648.96

Finding the Fourth Proportional to 258,867.52, 357,178.08 and 145,648.96

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Solution

The fourth proportional to 258,867.52, 357,178.08 and 145,648.96 is: 200,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,867.52 : 357,178.08 = 145,648.96 : x
  2. Step 2: Convert to fraction form
    258,867.52/357,178.08 = 145,648.96/x
  3. Step 3: Cross multiply
    258,867.52x = 357,178.08 × 145,648.96
  4. Step 4: Simplify right side
    258,867.52x = 52,022,615,886.80
  5. Step 5: Solve for x
    x = 52,022,615,886.80/258,867.52
  6. Step 6: Final answer
    x = 200,962.31

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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.