Home / 238,559.28-329,229-143,064.24

Finding the Fourth Proportional to 238,559.28, 329,229 and 143,064.24

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Solution

The fourth proportional to 238,559.28, 329,229 and 143,064.24 is: 197,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,559.28 : 329,229 = 143,064.24 : x
  2. Step 2: Convert to fraction form
    238,559.28/329,229 = 143,064.24/x
  3. Step 3: Cross multiply
    238,559.28x = 329,229 × 143,064.24
  4. Step 4: Simplify right side
    238,559.28x = 47,100,896,670.96
  5. Step 5: Solve for x
    x = 47,100,896,670.96/238,559.28
  6. Step 6: Final answer
    x = 197,438.96

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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.