Home / 231,661.28-320,302.56-202,898.46

Finding the Fourth Proportional to 231,661.28, 320,302.56 and 202,898.46

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Solution

The fourth proportional to 231,661.28, 320,302.56 and 202,898.46 is: 280,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,661.28 : 320,302.56 = 202,898.46 : x
  2. Step 2: Convert to fraction form
    231,661.28/320,302.56 = 202,898.46/x
  3. Step 3: Cross multiply
    231,661.28x = 320,302.56 × 202,898.46
  4. Step 4: Simplify right side
    231,661.28x = 64,988,896,158.06
  5. Step 5: Solve for x
    x = 64,988,896,158.06/231,661.28
  6. Step 6: Final answer
    x = 280,534.14

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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.