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Finding the Fourth Proportional to 375,329.68, 517,967.40 and 205,573.12

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Solution

The fourth proportional to 375,329.68, 517,967.40 and 205,573.12 is: 283,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,329.68 : 517,967.40 = 205,573.12 : x
  2. Step 2: Convert to fraction form
    375,329.68/517,967.40 = 205,573.12/x
  3. Step 3: Cross multiply
    375,329.68x = 517,967.40 × 205,573.12
  4. Step 4: Simplify right side
    375,329.68x = 106,480,174,476.29
  5. Step 5: Solve for x
    x = 106,480,174,476.29/375,329.68
  6. Step 6: Final answer
    x = 283,697.72

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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.