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Finding the Fourth Proportional to 486,301.68, 729,452.52 and 249,493.32

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Solution

The fourth proportional to 486,301.68, 729,452.52 and 249,493.32 is: 374,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,301.68 : 729,452.52 = 249,493.32 : x
  2. Step 2: Convert to fraction form
    486,301.68/729,452.52 = 249,493.32/x
  3. Step 3: Cross multiply
    486,301.68x = 729,452.52 × 249,493.32
  4. Step 4: Simplify right side
    486,301.68x = 181,993,530,997.17
  5. Step 5: Solve for x
    x = 181,993,530,997.17/486,301.68
  6. Step 6: Final answer
    x = 374,239.98

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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.