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Finding the Fourth Proportional to 250,597.98, 375,920.73 and 90,714.24

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Solution

The fourth proportional to 250,597.98, 375,920.73 and 90,714.24 is: 136,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,597.98 : 375,920.73 = 90,714.24 : x
  2. Step 2: Convert to fraction form
    250,597.98/375,920.73 = 90,714.24/x
  3. Step 3: Cross multiply
    250,597.98x = 375,920.73 × 90,714.24
  4. Step 4: Simplify right side
    250,597.98x = 34,101,363,322.20
  5. Step 5: Solve for x
    x = 34,101,363,322.20/250,597.98
  6. Step 6: Final answer
    x = 136,079.96

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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.