Home / 377,094.15-520,241.76-215,862.39

Finding the Fourth Proportional to 377,094.15, 520,241.76 and 215,862.39

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Solution

The fourth proportional to 377,094.15, 520,241.76 and 215,862.39 is: 297,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,094.15 : 520,241.76 = 215,862.39 : x
  2. Step 2: Convert to fraction form
    377,094.15/520,241.76 = 215,862.39/x
  3. Step 3: Cross multiply
    377,094.15x = 520,241.76 × 215,862.39
  4. Step 4: Simplify right side
    377,094.15x = 112,300,629,691.41
  5. Step 5: Solve for x
    x = 112,300,629,691.41/377,094.15
  6. Step 6: Final answer
    x = 297,805.28

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1.5x scale

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.