Home / 243,489.28-336,228.96-153,002.04

Finding the Fourth Proportional to 243,489.28, 336,228.96 and 153,002.04

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Solution

The fourth proportional to 243,489.28, 336,228.96 and 153,002.04 is: 211,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,489.28 : 336,228.96 = 153,002.04 : x
  2. Step 2: Convert to fraction form
    243,489.28/336,228.96 = 153,002.04/x
  3. Step 3: Cross multiply
    243,489.28x = 336,228.96 × 153,002.04
  4. Step 4: Simplify right side
    243,489.28x = 51,443,716,787.08
  5. Step 5: Solve for x
    x = 51,443,716,787.08/243,489.28
  6. Step 6: Final answer
    x = 211,277.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.