Home / 272,972.63-409,444.05-83,432.93

Finding the Fourth Proportional to 272,972.63, 409,444.05 and 83,432.93

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Solution

The fourth proportional to 272,972.63, 409,444.05 and 83,432.93 is: 125,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,972.63 : 409,444.05 = 83,432.93 : x
  2. Step 2: Convert to fraction form
    272,972.63/409,444.05 = 83,432.93/x
  3. Step 3: Cross multiply
    272,972.63x = 409,444.05 × 83,432.93
  4. Step 4: Simplify right side
    272,972.63x = 34,161,117,629.74
  5. Step 5: Solve for x
    x = 34,161,117,629.74/272,972.63
  6. Step 6: Final answer
    x = 125,144.85

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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.