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Finding the Fourth Proportional to 340,759.47, 511,144.53 and 100,897.72

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Solution

The fourth proportional to 340,759.47, 511,144.53 and 100,897.72 is: 151,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,759.47 : 511,144.53 = 100,897.72 : x
  2. Step 2: Convert to fraction form
    340,759.47/511,144.53 = 100,897.72/x
  3. Step 3: Cross multiply
    340,759.47x = 511,144.53 × 100,897.72
  4. Step 4: Simplify right side
    340,759.47x = 51,573,316,011.24
  5. Step 5: Solve for x
    x = 51,573,316,011.24/340,759.47
  6. Step 6: Final answer
    x = 151,348.15

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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.