Home / 382,948.40-574,424.04-133,630.40

Finding the Fourth Proportional to 382,948.40, 574,424.04 and 133,630.40

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Solution

The fourth proportional to 382,948.40, 574,424.04 and 133,630.40 is: 200,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,948.40 : 574,424.04 = 133,630.40 : x
  2. Step 2: Convert to fraction form
    382,948.40/574,424.04 = 133,630.40/x
  3. Step 3: Cross multiply
    382,948.40x = 574,424.04 × 133,630.40
  4. Step 4: Simplify right side
    382,948.40x = 76,760,514,234.82
  5. Step 5: Solve for x
    x = 76,760,514,234.82/382,948.40
  6. Step 6: Final answer
    x = 200,446.10

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1.5x scale

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.