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Finding the Fourth Proportional to 455,988.38, 684,016.93 and 136,114.97

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Solution

The fourth proportional to 455,988.38, 684,016.93 and 136,114.97 is: 204,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,988.38 : 684,016.93 = 136,114.97 : x
  2. Step 2: Convert to fraction form
    455,988.38/684,016.93 = 136,114.97/x
  3. Step 3: Cross multiply
    455,988.38x = 684,016.93 × 136,114.97
  4. Step 4: Simplify right side
    455,988.38x = 93,104,943,225.87
  5. Step 5: Solve for x
    x = 93,104,943,225.87/455,988.38
  6. Step 6: Final answer
    x = 204,182.71

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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.