Home / 245,943.30-368,915.03-189,865.28

Finding the Fourth Proportional to 245,943.30, 368,915.03 and 189,865.28

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Solution

The fourth proportional to 245,943.30, 368,915.03 and 189,865.28 is: 284,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.30 : 368,915.03 = 189,865.28 : x
  2. Step 2: Convert to fraction form
    245,943.30/368,915.03 = 189,865.28/x
  3. Step 3: Cross multiply
    245,943.30x = 368,915.03 × 189,865.28
  4. Step 4: Simplify right side
    245,943.30x = 70,044,152,673.26
  5. Step 5: Solve for x
    x = 70,044,152,673.26/245,943.30
  6. Step 6: Final answer
    x = 284,797.97

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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.