Home / 382,830.30-574,464.15-146,342.70

Finding the Fourth Proportional to 382,830.30, 574,464.15 and 146,342.70

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Solution

The fourth proportional to 382,830.30, 574,464.15 and 146,342.70 is: 219,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,830.30 : 574,464.15 = 146,342.70 : x
  2. Step 2: Convert to fraction form
    382,830.30/574,464.15 = 146,342.70/x
  3. Step 3: Cross multiply
    382,830.30x = 574,464.15 × 146,342.70
  4. Step 4: Simplify right side
    382,830.30x = 84,068,634,764.21
  5. Step 5: Solve for x
    x = 84,068,634,764.21/382,830.30
  6. Step 6: Final answer
    x = 219,597.65

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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.