Home / 876,131.20-1,314,099.60-245,108.80

Finding the Fourth Proportional to 876,131.20, 1,314,099.60 and 245,108.80

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Solution

The fourth proportional to 876,131.20, 1,314,099.60 and 245,108.80 is: 367,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,131.20 : 1,314,099.60 = 245,108.80 : x
  2. Step 2: Convert to fraction form
    876,131.20/1,314,099.60 = 245,108.80/x
  3. Step 3: Cross multiply
    876,131.20x = 1,314,099.60 × 245,108.80
  4. Step 4: Simplify right side
    876,131.20x = 322,097,376,036.48
  5. Step 5: Solve for x
    x = 322,097,376,036.48/876,131.20
  6. Step 6: Final answer
    x = 367,636.01

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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.