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Finding the Fourth Proportional to 375,350.63, 517,983.89 and 205,590.83

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Solution

The fourth proportional to 375,350.63, 517,983.89 and 205,590.83 is: 283,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,350.63 : 517,983.89 = 205,590.83 : x
  2. Step 2: Convert to fraction form
    375,350.63/517,983.89 = 205,590.83/x
  3. Step 3: Cross multiply
    375,350.63x = 517,983.89 × 205,590.83
  4. Step 4: Simplify right side
    375,350.63x = 106,492,734,253.86
  5. Step 5: Solve for x
    x = 106,492,734,253.86/375,350.63
  6. Step 6: Final answer
    x = 283,715.35

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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.