Home / 456,915.53-685,451.09-229,319.69

Finding the Fourth Proportional to 456,915.53, 685,451.09 and 229,319.69

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Solution

The fourth proportional to 456,915.53, 685,451.09 and 229,319.69 is: 344,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,915.53 : 685,451.09 = 229,319.69 : x
  2. Step 2: Convert to fraction form
    456,915.53/685,451.09 = 229,319.69/x
  3. Step 3: Cross multiply
    456,915.53x = 685,451.09 × 229,319.69
  4. Step 4: Simplify right side
    456,915.53x = 157,187,428,615.01
  5. Step 5: Solve for x
    x = 157,187,428,615.01/456,915.53
  6. Step 6: Final answer
    x = 344,018.57

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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.