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Finding the Fourth Proportional to 267,220.46, 368,509.74 and 159,773.06

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Solution

The fourth proportional to 267,220.46, 368,509.74 and 159,773.06 is: 220,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,220.46 : 368,509.74 = 159,773.06 : x
  2. Step 2: Convert to fraction form
    267,220.46/368,509.74 = 159,773.06/x
  3. Step 3: Cross multiply
    267,220.46x = 368,509.74 × 159,773.06
  4. Step 4: Simplify right side
    267,220.46x = 58,877,928,799.60
  5. Step 5: Solve for x
    x = 58,877,928,799.60/267,220.46
  6. Step 6: Final answer
    x = 220,334.66

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1.5x scale

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.