Home / 254,237.75-381,338.04-119,332.55

Finding the Fourth Proportional to 254,237.75, 381,338.04 and 119,332.55

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Solution

The fourth proportional to 254,237.75, 381,338.04 and 119,332.55 is: 178,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,237.75 : 381,338.04 = 119,332.55 : x
  2. Step 2: Convert to fraction form
    254,237.75/381,338.04 = 119,332.55/x
  3. Step 3: Cross multiply
    254,237.75x = 381,338.04 × 119,332.55
  4. Step 4: Simplify right side
    254,237.75x = 45,506,042,126.04
  5. Step 5: Solve for x
    x = 45,506,042,126.04/254,237.75
  6. Step 6: Final answer
    x = 178,990.11

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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.