Home / 245,318.09-367,977.13-76,839.84

Finding the Fourth Proportional to 245,318.09, 367,977.13 and 76,839.84

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Solution

The fourth proportional to 245,318.09, 367,977.13 and 76,839.84 is: 115,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,318.09 : 367,977.13 = 76,839.84 : x
  2. Step 2: Convert to fraction form
    245,318.09/367,977.13 = 76,839.84/x
  3. Step 3: Cross multiply
    245,318.09x = 367,977.13 × 76,839.84
  4. Step 4: Simplify right side
    245,318.09x = 28,275,303,600.76
  5. Step 5: Solve for x
    x = 28,275,303,600.76/245,318.09
  6. Step 6: Final answer
    x = 115,259.76

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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.