Home / 288,834.28-398,431.14-167,962.28

Finding the Fourth Proportional to 288,834.28, 398,431.14 and 167,962.28

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Solution

The fourth proportional to 288,834.28, 398,431.14 and 167,962.28 is: 231,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,834.28 : 398,431.14 = 167,962.28 : x
  2. Step 2: Convert to fraction form
    288,834.28/398,431.14 = 167,962.28/x
  3. Step 3: Cross multiply
    288,834.28x = 398,431.14 × 167,962.28
  4. Step 4: Simplify right side
    288,834.28x = 66,921,402,697.40
  5. Step 5: Solve for x
    x = 66,921,402,697.40/288,834.28
  6. Step 6: Final answer
    x = 231,694.81

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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.