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Finding the Fourth Proportional to 551,350.20, 826,587.90 and 302,032.20

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Solution

The fourth proportional to 551,350.20, 826,587.90 and 302,032.20 is: 452,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,350.20 : 826,587.90 = 302,032.20 : x
  2. Step 2: Convert to fraction form
    551,350.20/826,587.90 = 302,032.20/x
  3. Step 3: Cross multiply
    551,350.20x = 826,587.90 × 302,032.20
  4. Step 4: Simplify right side
    551,350.20x = 249,656,161,930.38
  5. Step 5: Solve for x
    x = 249,656,161,930.38/551,350.20
  6. Step 6: Final answer
    x = 452,808.69

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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.