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Finding the Fourth Proportional to 575,155.31, 862,701.30 and 175,795.88

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Solution

The fourth proportional to 575,155.31, 862,701.30 and 175,795.88 is: 263,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,155.31 : 862,701.30 = 175,795.88 : x
  2. Step 2: Convert to fraction form
    575,155.31/862,701.30 = 175,795.88/x
  3. Step 3: Cross multiply
    575,155.31x = 862,701.30 × 175,795.88
  4. Step 4: Simplify right side
    575,155.31x = 151,659,329,897.14
  5. Step 5: Solve for x
    x = 151,659,329,897.14/575,155.31
  6. Step 6: Final answer
    x = 263,684.14

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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.