Home / 296,820.52-409,664.94-225,079.60

Finding the Fourth Proportional to 296,820.52, 409,664.94 and 225,079.60

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Solution

The fourth proportional to 296,820.52, 409,664.94 and 225,079.60 is: 310,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,820.52 : 409,664.94 = 225,079.60 : x
  2. Step 2: Convert to fraction form
    296,820.52/409,664.94 = 225,079.60/x
  3. Step 3: Cross multiply
    296,820.52x = 409,664.94 × 225,079.60
  4. Step 4: Simplify right side
    296,820.52x = 92,207,220,829.22
  5. Step 5: Solve for x
    x = 92,207,220,829.22/296,820.52
  6. Step 6: Final answer
    x = 310,649.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.