Home / 347,742.40-521,613.60-170,363.20

Finding the Fourth Proportional to 347,742.40, 521,613.60 and 170,363.20

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Solution

The fourth proportional to 347,742.40, 521,613.60 and 170,363.20 is: 255,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,742.40 : 521,613.60 = 170,363.20 : x
  2. Step 2: Convert to fraction form
    347,742.40/521,613.60 = 170,363.20/x
  3. Step 3: Cross multiply
    347,742.40x = 521,613.60 × 170,363.20
  4. Step 4: Simplify right side
    347,742.40x = 88,863,762,059.52
  5. Step 5: Solve for x
    x = 88,863,762,059.52/347,742.40
  6. Step 6: Final answer
    x = 255,544.80

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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.