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Finding the Fourth Proportional to 377,062.66, 520,350 and 207,298

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Solution

The fourth proportional to 377,062.66, 520,350 and 207,298 is: 286,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,062.66 : 520,350 = 207,298 : x
  2. Step 2: Convert to fraction form
    377,062.66/520,350 = 207,298/x
  3. Step 3: Cross multiply
    377,062.66x = 520,350 × 207,298
  4. Step 4: Simplify right side
    377,062.66x = 107,867,514,300
  5. Step 5: Solve for x
    x = 107,867,514,300/377,062.66
  6. Step 6: Final answer
    x = 286,073.18

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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.