Home / 284,254.38-426,649.48-209,145.52

Finding the Fourth Proportional to 284,254.38, 426,649.48 and 209,145.52

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Solution

The fourth proportional to 284,254.38, 426,649.48 and 209,145.52 is: 313,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,254.38 : 426,649.48 = 209,145.52 : x
  2. Step 2: Convert to fraction form
    284,254.38/426,649.48 = 209,145.52/x
  3. Step 3: Cross multiply
    284,254.38x = 426,649.48 × 209,145.52
  4. Step 4: Simplify right side
    284,254.38x = 89,231,827,352.33
  5. Step 5: Solve for x
    x = 89,231,827,352.33/284,254.38
  6. Step 6: Final answer
    x = 313,915.40

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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.