Home / 304,860.87-457,314.98-91,612.15

Finding the Fourth Proportional to 304,860.87, 457,314.98 and 91,612.15

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Solution

The fourth proportional to 304,860.87, 457,314.98 and 91,612.15 is: 137,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,860.87 : 457,314.98 = 91,612.15 : x
  2. Step 2: Convert to fraction form
    304,860.87/457,314.98 = 91,612.15/x
  3. Step 3: Cross multiply
    304,860.87x = 457,314.98 × 91,612.15
  4. Step 4: Simplify right side
    304,860.87x = 41,895,606,943.66
  5. Step 5: Solve for x
    x = 41,895,606,943.66/304,860.87
  6. Step 6: Final answer
    x = 137,425.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.