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Finding the Fourth Proportional to 479,076, 718,405.36 and 137,444.04

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Solution

The fourth proportional to 479,076, 718,405.36 and 137,444.04 is: 206,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,076 : 718,405.36 = 137,444.04 : x
  2. Step 2: Convert to fraction form
    479,076/718,405.36 = 137,444.04/x
  3. Step 3: Cross multiply
    479,076x = 718,405.36 × 137,444.04
  4. Step 4: Simplify right side
    479,076x = 98,740,535,036.05
  5. Step 5: Solve for x
    x = 98,740,535,036.05/479,076
  6. Step 6: Final answer
    x = 206,106.20

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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.