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Finding the Fourth Proportional to 243,737.88, 365,606.28 and 66,270.66

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Solution

The fourth proportional to 243,737.88, 365,606.28 and 66,270.66 is: 99,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,737.88 : 365,606.28 = 66,270.66 : x
  2. Step 2: Convert to fraction form
    243,737.88/365,606.28 = 66,270.66/x
  3. Step 3: Cross multiply
    243,737.88x = 365,606.28 × 66,270.66
  4. Step 4: Simplify right side
    243,737.88x = 24,228,969,475.74
  5. Step 5: Solve for x
    x = 24,228,969,475.74/243,737.88
  6. Step 6: Final answer
    x = 99,405.84

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1.5x scale

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.