Home / 377,521.23-520,979.36-207,755.35

Finding the Fourth Proportional to 377,521.23, 520,979.36 and 207,755.35

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Solution

The fourth proportional to 377,521.23, 520,979.36 and 207,755.35 is: 286,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,521.23 : 520,979.36 = 207,755.35 : x
  2. Step 2: Convert to fraction form
    377,521.23/520,979.36 = 207,755.35/x
  3. Step 3: Cross multiply
    377,521.23x = 520,979.36 × 207,755.35
  4. Step 4: Simplify right side
    377,521.23x = 108,236,249,279.58
  5. Step 5: Solve for x
    x = 108,236,249,279.58/377,521.23
  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.