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Finding the Fourth Proportional to 551,478.40, 827,217.60 and 235,967.20

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Solution

The fourth proportional to 551,478.40, 827,217.60 and 235,967.20 is: 353,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,478.40 : 827,217.60 = 235,967.20 : x
  2. Step 2: Convert to fraction form
    551,478.40/827,217.60 = 235,967.20/x
  3. Step 3: Cross multiply
    551,478.40x = 827,217.60 × 235,967.20
  4. Step 4: Simplify right side
    551,478.40x = 195,196,220,862.72
  5. Step 5: Solve for x
    x = 195,196,220,862.72/551,478.40
  6. Step 6: Final answer
    x = 353,950.80

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Similar ratio
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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.