Home / 295,810.24-443,650.08-85,402.40

Finding the Fourth Proportional to 295,810.24, 443,650.08 and 85,402.40

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Solution

The fourth proportional to 295,810.24, 443,650.08 and 85,402.40 is: 128,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,810.24 : 443,650.08 = 85,402.40 : x
  2. Step 2: Convert to fraction form
    295,810.24/443,650.08 = 85,402.40/x
  3. Step 3: Cross multiply
    295,810.24x = 443,650.08 × 85,402.40
  4. Step 4: Simplify right side
    295,810.24x = 37,888,781,592.19
  5. Step 5: Solve for x
    x = 37,888,781,592.19/295,810.24
  6. Step 6: Final answer
    x = 128,084.75

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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.