Home / 317,799.96-476,700.78-77,914.95

Finding the Fourth Proportional to 317,799.96, 476,700.78 and 77,914.95

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Solution

The fourth proportional to 317,799.96, 476,700.78 and 77,914.95 is: 116,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,799.96 : 476,700.78 = 77,914.95 : x
  2. Step 2: Convert to fraction form
    317,799.96/476,700.78 = 77,914.95/x
  3. Step 3: Cross multiply
    317,799.96x = 476,700.78 × 77,914.95
  4. Step 4: Simplify right side
    317,799.96x = 37,142,117,438.66
  5. Step 5: Solve for x
    x = 37,142,117,438.66/317,799.96
  6. Step 6: Final answer
    x = 116,872.63

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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.