Home / 288,995.52-398,894.04-168,160.23

Finding the Fourth Proportional to 288,995.52, 398,894.04 and 168,160.23

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Solution

The fourth proportional to 288,995.52, 398,894.04 and 168,160.23 is: 232,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,995.52 : 398,894.04 = 168,160.23 : x
  2. Step 2: Convert to fraction form
    288,995.52/398,894.04 = 168,160.23/x
  3. Step 3: Cross multiply
    288,995.52x = 398,894.04 × 168,160.23
  4. Step 4: Simplify right side
    288,995.52x = 67,078,113,512.03
  5. Step 5: Solve for x
    x = 67,078,113,512.03/288,995.52
  6. Step 6: Final answer
    x = 232,107.80

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1.5x scale

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.