Home / 377,963.46-521,590.86-208,197.18

Finding the Fourth Proportional to 377,963.46, 521,590.86 and 208,197.18

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Solution

The fourth proportional to 377,963.46, 521,590.86 and 208,197.18 is: 287,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,963.46 : 521,590.86 = 208,197.18 : x
  2. Step 2: Convert to fraction form
    377,963.46/521,590.86 = 208,197.18/x
  3. Step 3: Cross multiply
    377,963.46x = 521,590.86 × 208,197.18
  4. Step 4: Simplify right side
    377,963.46x = 108,593,746,165.78
  5. Step 5: Solve for x
    x = 108,593,746,165.78/377,963.46
  6. Step 6: Final answer
    x = 287,312.82

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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.