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Finding the Fourth Proportional to 491,323.95, 736,985.95 and 136,338.10

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Solution

The fourth proportional to 491,323.95, 736,985.95 and 136,338.10 is: 204,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,323.95 : 736,985.95 = 136,338.10 : x
  2. Step 2: Convert to fraction form
    491,323.95/736,985.95 = 136,338.10/x
  3. Step 3: Cross multiply
    491,323.95x = 736,985.95 × 136,338.10
  4. Step 4: Simplify right side
    491,323.95x = 100,479,261,966.39
  5. Step 5: Solve for x
    x = 100,479,261,966.39/491,323.95
  6. Step 6: Final answer
    x = 204,507.15

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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.