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Finding the Fourth Proportional to 486,093.60, 729,140.40 and 249,460.20

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Solution

The fourth proportional to 486,093.60, 729,140.40 and 249,460.20 is: 374,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,093.60 : 729,140.40 = 249,460.20 : x
  2. Step 2: Convert to fraction form
    486,093.60/729,140.40 = 249,460.20/x
  3. Step 3: Cross multiply
    486,093.60x = 729,140.40 × 249,460.20
  4. Step 4: Simplify right side
    486,093.60x = 181,891,510,012.08
  5. Step 5: Solve for x
    x = 181,891,510,012.08/486,093.60
  6. Step 6: Final answer
    x = 374,190.30

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Similar ratio
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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.