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Finding the Fourth Proportional to 258,537.76, 387,597.04 and 116,278.88

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Solution

The fourth proportional to 258,537.76, 387,597.04 and 116,278.88 is: 174,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,537.76 : 387,597.04 = 116,278.88 : x
  2. Step 2: Convert to fraction form
    258,537.76/387,597.04 = 116,278.88/x
  3. Step 3: Cross multiply
    258,537.76x = 387,597.04 × 116,278.88
  4. Step 4: Simplify right side
    258,537.76x = 45,069,349,702.52
  5. Step 5: Solve for x
    x = 45,069,349,702.52/258,537.76
  6. Step 6: Final answer
    x = 174,324.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.