Home / 876,134.20-1,314,104.10-245,111.80

Finding the Fourth Proportional to 876,134.20, 1,314,104.10 and 245,111.80

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Solution

The fourth proportional to 876,134.20, 1,314,104.10 and 245,111.80 is: 367,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,134.20 : 1,314,104.10 = 245,111.80 : x
  2. Step 2: Convert to fraction form
    876,134.20/1,314,104.10 = 245,111.80/x
  3. Step 3: Cross multiply
    876,134.20x = 1,314,104.10 × 245,111.80
  4. Step 4: Simplify right side
    876,134.20x = 322,102,421,338.38
  5. Step 5: Solve for x
    x = 322,102,421,338.38/876,134.20
  6. Step 6: Final answer
    x = 367,640.51

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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.