Home / 284,649.48-426,959.64-84,971.52

Finding the Fourth Proportional to 284,649.48, 426,959.64 and 84,971.52

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Solution

The fourth proportional to 284,649.48, 426,959.64 and 84,971.52 is: 127,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,649.48 : 426,959.64 = 84,971.52 : x
  2. Step 2: Convert to fraction form
    284,649.48/426,959.64 = 84,971.52/x
  3. Step 3: Cross multiply
    284,649.48x = 426,959.64 × 84,971.52
  4. Step 4: Simplify right side
    284,649.48x = 36,279,409,589.45
  5. Step 5: Solve for x
    x = 36,279,409,589.45/284,649.48
  6. Step 6: Final answer
    x = 127,452.93

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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.