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Finding the Fourth Proportional to 375,251.12, 517,828.68 and 205,486.16

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Solution

The fourth proportional to 375,251.12, 517,828.68 and 205,486.16 is: 283,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,251.12 : 517,828.68 = 205,486.16 : x
  2. Step 2: Convert to fraction form
    375,251.12/517,828.68 = 205,486.16/x
  3. Step 3: Cross multiply
    375,251.12x = 517,828.68 × 205,486.16
  4. Step 4: Simplify right side
    375,251.12x = 106,406,626,991.07
  5. Step 5: Solve for x
    x = 106,406,626,991.07/375,251.12
  6. Step 6: Final answer
    x = 283,561.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.