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Finding the Fourth Proportional to 144,379.77, 216,606.56 and 55,609.44

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Solution

The fourth proportional to 144,379.77, 216,606.56 and 55,609.44 is: 83,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,379.77 : 216,606.56 = 55,609.44 : x
  2. Step 2: Convert to fraction form
    144,379.77/216,606.56 = 55,609.44/x
  3. Step 3: Cross multiply
    144,379.77x = 216,606.56 × 55,609.44
  4. Step 4: Simplify right side
    144,379.77x = 12,045,369,501.93
  5. Step 5: Solve for x
    x = 12,045,369,501.93/144,379.77
  6. Step 6: Final answer
    x = 83,428.37

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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.