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Finding the Fourth Proportional to 144,484.86, 216,690 and 43,262.94

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Solution

The fourth proportional to 144,484.86, 216,690 and 43,262.94 is: 64,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,484.86 : 216,690 = 43,262.94 : x
  2. Step 2: Convert to fraction form
    144,484.86/216,690 = 43,262.94/x
  3. Step 3: Cross multiply
    144,484.86x = 216,690 × 43,262.94
  4. Step 4: Simplify right side
    144,484.86x = 9,374,646,468.60
  5. Step 5: Solve for x
    x = 9,374,646,468.60/144,484.86
  6. Step 6: Final answer
    x = 64,883.24

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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.