Home / 377,521.22-520,979.38-207,755.34

Finding the Fourth Proportional to 377,521.22, 520,979.38 and 207,755.34

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Solution

The fourth proportional to 377,521.22, 520,979.38 and 207,755.34 is: 286,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,521.22 : 520,979.38 = 207,755.34 : x
  2. Step 2: Convert to fraction form
    377,521.22/520,979.38 = 207,755.34/x
  3. Step 3: Cross multiply
    377,521.22x = 520,979.38 × 207,755.34
  4. Step 4: Simplify right side
    377,521.22x = 108,236,248,224.89
  5. Step 5: Solve for x
    x = 108,236,248,224.89/377,521.22
  6. Step 6: Final answer
    x = 286,702.42

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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.