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Finding the Fourth Proportional to 144,281.43, 216,445.41 and 44,441.60

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Solution

The fourth proportional to 144,281.43, 216,445.41 and 44,441.60 is: 66,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,281.43 : 216,445.41 = 44,441.60 : x
  2. Step 2: Convert to fraction form
    144,281.43/216,445.41 = 44,441.60/x
  3. Step 3: Cross multiply
    144,281.43x = 216,445.41 × 44,441.60
  4. Step 4: Simplify right side
    144,281.43x = 9,619,179,250.83
  5. Step 5: Solve for x
    x = 9,619,179,250.83/144,281.43
  6. Step 6: Final answer
    x = 66,669.56

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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.