Home / 377,359.12-520,665.44-255,079.52

Finding the Fourth Proportional to 377,359.12, 520,665.44 and 255,079.52

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Solution

The fourth proportional to 377,359.12, 520,665.44 and 255,079.52 is: 351,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,359.12 : 520,665.44 = 255,079.52 : x
  2. Step 2: Convert to fraction form
    377,359.12/520,665.44 = 255,079.52/x
  3. Step 3: Cross multiply
    377,359.12x = 520,665.44 × 255,079.52
  4. Step 4: Simplify right side
    377,359.12x = 132,811,090,515.79
  5. Step 5: Solve for x
    x = 132,811,090,515.79/377,359.12
  6. Step 6: Final answer
    x = 351,948.80

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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.