Home / 340,375.16-510,565.28-127,191.26

Finding the Fourth Proportional to 340,375.16, 510,565.28 and 127,191.26

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Solution

The fourth proportional to 340,375.16, 510,565.28 and 127,191.26 is: 190,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,375.16 : 510,565.28 = 127,191.26 : x
  2. Step 2: Convert to fraction form
    340,375.16/510,565.28 = 127,191.26/x
  3. Step 3: Cross multiply
    340,375.16x = 510,565.28 × 127,191.26
  4. Step 4: Simplify right side
    340,375.16x = 64,939,441,915.91
  5. Step 5: Solve for x
    x = 64,939,441,915.91/340,375.16
  6. Step 6: Final answer
    x = 190,787.84

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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.