Home / 377,930.10-521,543.50-208,164.24

Finding the Fourth Proportional to 377,930.10, 521,543.50 and 208,164.24

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Solution

The fourth proportional to 377,930.10, 521,543.50 and 208,164.24 is: 287,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,930.10 : 521,543.50 = 208,164.24 : x
  2. Step 2: Convert to fraction form
    377,930.10/521,543.50 = 208,164.24/x
  3. Step 3: Cross multiply
    377,930.10x = 521,543.50 × 208,164.24
  4. Step 4: Simplify right side
    377,930.10x = 108,566,706,304.44
  5. Step 5: Solve for x
    x = 108,566,706,304.44/377,930.10
  6. Step 6: Final answer
    x = 287,266.63

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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.