Home / 233,915.78-322,802.82-126,485.79

Finding the Fourth Proportional to 233,915.78, 322,802.82 and 126,485.79

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Solution

The fourth proportional to 233,915.78, 322,802.82 and 126,485.79 is: 174,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,915.78 : 322,802.82 = 126,485.79 : x
  2. Step 2: Convert to fraction form
    233,915.78/322,802.82 = 126,485.79/x
  3. Step 3: Cross multiply
    233,915.78x = 322,802.82 × 126,485.79
  4. Step 4: Simplify right side
    233,915.78x = 40,829,968,491.42
  5. Step 5: Solve for x
    x = 40,829,968,491.42/233,915.78
  6. Step 6: Final answer
    x = 174,549.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.