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Finding the Fourth Proportional to 338,978.17, 508,112.39 and 114,260.88

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Solution

The fourth proportional to 338,978.17, 508,112.39 and 114,260.88 is: 171,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,978.17 : 508,112.39 = 114,260.88 : x
  2. Step 2: Convert to fraction form
    338,978.17/508,112.39 = 114,260.88/x
  3. Step 3: Cross multiply
    338,978.17x = 508,112.39 × 114,260.88
  4. Step 4: Simplify right side
    338,978.17x = 58,057,368,153.24
  5. Step 5: Solve for x
    x = 58,057,368,153.24/338,978.17
  6. Step 6: Final answer
    x = 171,271.70

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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.