Home / 392,738.68-589,107.82-112,256.04

Finding the Fourth Proportional to 392,738.68, 589,107.82 and 112,256.04

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Solution

The fourth proportional to 392,738.68, 589,107.82 and 112,256.04 is: 168,384.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,738.68 : 589,107.82 = 112,256.04 : x
  2. Step 2: Convert to fraction form
    392,738.68/589,107.82 = 112,256.04/x
  3. Step 3: Cross multiply
    392,738.68x = 589,107.82 × 112,256.04
  4. Step 4: Simplify right side
    392,738.68x = 66,130,911,006.23
  5. Step 5: Solve for x
    x = 66,130,911,006.23/392,738.68
  6. Step 6: Final answer
    x = 168,384.00

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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.