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Finding the Fourth Proportional to 144,652.64, 216,999.48 and 44,820.68

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Solution

The fourth proportional to 144,652.64, 216,999.48 and 44,820.68 is: 67,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,652.64 : 216,999.48 = 44,820.68 : x
  2. Step 2: Convert to fraction form
    144,652.64/216,999.48 = 44,820.68/x
  3. Step 3: Cross multiply
    144,652.64x = 216,999.48 × 44,820.68
  4. Step 4: Simplify right side
    144,652.64x = 9,726,064,253.25
  5. Step 5: Solve for x
    x = 9,726,064,253.25/144,652.64
  6. Step 6: Final answer
    x = 67,237.38

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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.