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Finding the Fourth Proportional to 649,041.20, 973,270.20 and 249,549.20

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Solution

The fourth proportional to 649,041.20, 973,270.20 and 249,549.20 is: 374,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,041.20 : 973,270.20 = 249,549.20 : x
  2. Step 2: Convert to fraction form
    649,041.20/973,270.20 = 249,549.20/x
  3. Step 3: Cross multiply
    649,041.20x = 973,270.20 × 249,549.20
  4. Step 4: Simplify right side
    649,041.20x = 242,878,799,793.84
  5. Step 5: Solve for x
    x = 242,878,799,793.84/649,041.20
  6. Step 6: Final answer
    x = 374,211.68

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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.