Home / 268,310.52-401,939.91-155,754.72

Finding the Fourth Proportional to 268,310.52, 401,939.91 and 155,754.72

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Solution

The fourth proportional to 268,310.52, 401,939.91 and 155,754.72 is: 233,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,310.52 : 401,939.91 = 155,754.72 : x
  2. Step 2: Convert to fraction form
    268,310.52/401,939.91 = 155,754.72/x
  3. Step 3: Cross multiply
    268,310.52x = 401,939.91 × 155,754.72
  4. Step 4: Simplify right side
    268,310.52x = 62,604,038,138.88
  5. Step 5: Solve for x
    x = 62,604,038,138.88/268,310.52
  6. Step 6: Final answer
    x = 233,326.81

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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.