Home / 304,915.20-457,077.60-136,340.16

Finding the Fourth Proportional to 304,915.20, 457,077.60 and 136,340.16

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Solution

The fourth proportional to 304,915.20, 457,077.60 and 136,340.16 is: 204,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,915.20 : 457,077.60 = 136,340.16 : x
  2. Step 2: Convert to fraction form
    304,915.20/457,077.60 = 136,340.16/x
  3. Step 3: Cross multiply
    304,915.20x = 457,077.60 × 136,340.16
  4. Step 4: Simplify right side
    304,915.20x = 62,318,033,116.42
  5. Step 5: Solve for x
    x = 62,318,033,116.42/304,915.20
  6. Step 6: Final answer
    x = 204,378.24

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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.