Home / 376,927.84-519,987-231,601.68

Finding the Fourth Proportional to 376,927.84, 519,987 and 231,601.68

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Solution

The fourth proportional to 376,927.84, 519,987 and 231,601.68 is: 319,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,927.84 : 519,987 = 231,601.68 : x
  2. Step 2: Convert to fraction form
    376,927.84/519,987 = 231,601.68/x
  3. Step 3: Cross multiply
    376,927.84x = 519,987 × 231,601.68
  4. Step 4: Simplify right side
    376,927.84x = 120,429,862,778.16
  5. Step 5: Solve for x
    x = 120,429,862,778.16/376,927.84
  6. Step 6: Final answer
    x = 319,503.76

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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.