Home / 377,514.42-520,963.15-205,426.51

Finding the Fourth Proportional to 377,514.42, 520,963.15 and 205,426.51

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Solution

The fourth proportional to 377,514.42, 520,963.15 and 205,426.51 is: 283,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,514.42 : 520,963.15 = 205,426.51 : x
  2. Step 2: Convert to fraction form
    377,514.42/520,963.15 = 205,426.51/x
  3. Step 3: Cross multiply
    377,514.42x = 520,963.15 × 205,426.51
  4. Step 4: Simplify right side
    377,514.42x = 107,019,641,743.11
  5. Step 5: Solve for x
    x = 107,019,641,743.11/377,514.42
  6. Step 6: Final answer
    x = 283,484.91

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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.