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Finding the Fourth Proportional to 453,590.88, 680,392.80 and 158,102.88

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Solution

The fourth proportional to 453,590.88, 680,392.80 and 158,102.88 is: 237,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,590.88 : 680,392.80 = 158,102.88 : x
  2. Step 2: Convert to fraction form
    453,590.88/680,392.80 = 158,102.88/x
  3. Step 3: Cross multiply
    453,590.88x = 680,392.80 × 158,102.88
  4. Step 4: Simplify right side
    453,590.88x = 107,572,061,211.26
  5. Step 5: Solve for x
    x = 107,572,061,211.26/453,590.88
  6. Step 6: Final answer
    x = 237,156.58

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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.