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Finding the Fourth Proportional to 367,130.49, 550,446.53 and 186,772.65

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Solution

The fourth proportional to 367,130.49, 550,446.53 and 186,772.65 is: 280,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,130.49 : 550,446.53 = 186,772.65 : x
  2. Step 2: Convert to fraction form
    367,130.49/550,446.53 = 186,772.65/x
  3. Step 3: Cross multiply
    367,130.49x = 550,446.53 × 186,772.65
  4. Step 4: Simplify right side
    367,130.49x = 102,808,356,157.54
  5. Step 5: Solve for x
    x = 102,808,356,157.54/367,130.49
  6. Step 6: Final answer
    x = 280,032.19

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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.