Home / 272,625.48-409,002.84-85,637.16

Finding the Fourth Proportional to 272,625.48, 409,002.84 and 85,637.16

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Solution

The fourth proportional to 272,625.48, 409,002.84 and 85,637.16 is: 128,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,625.48 : 409,002.84 = 85,637.16 : x
  2. Step 2: Convert to fraction form
    272,625.48/409,002.84 = 85,637.16/x
  3. Step 3: Cross multiply
    272,625.48x = 409,002.84 × 85,637.16
  4. Step 4: Simplify right side
    272,625.48x = 35,025,841,649.53
  5. Step 5: Solve for x
    x = 35,025,841,649.53/272,625.48
  6. Step 6: Final answer
    x = 128,476.04

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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.