Home / 377,781.13-521,178.87-250,235.29

Finding the Fourth Proportional to 377,781.13, 521,178.87 and 250,235.29

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Solution

The fourth proportional to 377,781.13, 521,178.87 and 250,235.29 is: 345,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,781.13 : 521,178.87 = 250,235.29 : x
  2. Step 2: Convert to fraction form
    377,781.13/521,178.87 = 250,235.29/x
  3. Step 3: Cross multiply
    377,781.13x = 521,178.87 × 250,235.29
  4. Step 4: Simplify right side
    377,781.13x = 130,417,345,676.32
  5. Step 5: Solve for x
    x = 130,417,345,676.32/377,781.13
  6. Step 6: Final answer
    x = 345,219.32

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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.