Home / 368,958.42-553,382.55-102,691.17

Finding the Fourth Proportional to 368,958.42, 553,382.55 and 102,691.17

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Solution

The fourth proportional to 368,958.42, 553,382.55 and 102,691.17 is: 154,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,958.42 : 553,382.55 = 102,691.17 : x
  2. Step 2: Convert to fraction form
    368,958.42/553,382.55 = 102,691.17/x
  3. Step 3: Cross multiply
    368,958.42x = 553,382.55 × 102,691.17
  4. Step 4: Simplify right side
    368,958.42x = 56,827,501,517.08
  5. Step 5: Solve for x
    x = 56,827,501,517.08/368,958.42
  6. Step 6: Final answer
    x = 154,021.42

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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.