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Finding the Fourth Proportional to 144,568.40, 216,868.80 and 44,727.80

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Solution

The fourth proportional to 144,568.40, 216,868.80 and 44,727.80 is: 67,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,568.40 : 216,868.80 = 44,727.80 : x
  2. Step 2: Convert to fraction form
    144,568.40/216,868.80 = 44,727.80/x
  3. Step 3: Cross multiply
    144,568.40x = 216,868.80 × 44,727.80
  4. Step 4: Simplify right side
    144,568.40x = 9,700,064,312.64
  5. Step 5: Solve for x
    x = 9,700,064,312.64/144,568.40
  6. Step 6: Final answer
    x = 67,096.71

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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.