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Finding the Fourth Proportional to 377,595.84, 521,085.78 and 207,833.88

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Solution

The fourth proportional to 377,595.84, 521,085.78 and 207,833.88 is: 286,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,595.84 : 521,085.78 = 207,833.88 : x
  2. Step 2: Convert to fraction form
    377,595.84/521,085.78 = 207,833.88/x
  3. Step 3: Cross multiply
    377,595.84x = 521,085.78 × 207,833.88
  4. Step 4: Simplify right side
    377,595.84x = 108,299,279,470.23
  5. Step 5: Solve for x
    x = 108,299,279,470.23/377,595.84
  6. Step 6: Final answer
    x = 286,812.69

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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.