Home / 297,445.18-443,332.64-280,632.60

Finding the Fourth Proportional to 297,445.18, 443,332.64 and 280,632.60

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Solution

The fourth proportional to 297,445.18, 443,332.64 and 280,632.60 is: 418,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,445.18 : 443,332.64 = 280,632.60 : x
  2. Step 2: Convert to fraction form
    297,445.18/443,332.64 = 280,632.60/x
  3. Step 3: Cross multiply
    297,445.18x = 443,332.64 × 280,632.60
  4. Step 4: Simplify right side
    297,445.18x = 124,413,591,428.06
  5. Step 5: Solve for x
    x = 124,413,591,428.06/297,445.18
  6. Step 6: Final answer
    x = 418,274.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.