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Finding the Fourth Proportional to 144,800.12, 217,171.02 and 39,629.72

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Solution

The fourth proportional to 144,800.12, 217,171.02 and 39,629.72 is: 59,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,800.12 : 217,171.02 = 39,629.72 : x
  2. Step 2: Convert to fraction form
    144,800.12/217,171.02 = 39,629.72/x
  3. Step 3: Cross multiply
    144,800.12x = 217,171.02 × 39,629.72
  4. Step 4: Simplify right side
    144,800.12x = 8,606,426,714.71
  5. Step 5: Solve for x
    x = 8,606,426,714.71/144,800.12
  6. Step 6: Final answer
    x = 59,436.60

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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.