Home / 382,865.60-574,298.40-172,913.60

Finding the Fourth Proportional to 382,865.60, 574,298.40 and 172,913.60

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Solution

The fourth proportional to 382,865.60, 574,298.40 and 172,913.60 is: 259,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,865.60 : 574,298.40 = 172,913.60 : x
  2. Step 2: Convert to fraction form
    382,865.60/574,298.40 = 172,913.60/x
  3. Step 3: Cross multiply
    382,865.60x = 574,298.40 × 172,913.60
  4. Step 4: Simplify right side
    382,865.60x = 99,304,003,818.24
  5. Step 5: Solve for x
    x = 99,304,003,818.24/382,865.60
  6. Step 6: Final answer
    x = 259,370.40

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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.