Home / 354,242.56-531,371.14-143,736.52

Finding the Fourth Proportional to 354,242.56, 531,371.14 and 143,736.52

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Solution

The fourth proportional to 354,242.56, 531,371.14 and 143,736.52 is: 215,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,242.56 : 531,371.14 = 143,736.52 : x
  2. Step 2: Convert to fraction form
    354,242.56/531,371.14 = 143,736.52/x
  3. Step 3: Cross multiply
    354,242.56x = 531,371.14 × 143,736.52
  4. Step 4: Simplify right side
    354,242.56x = 76,377,438,492.03
  5. Step 5: Solve for x
    x = 76,377,438,492.03/354,242.56
  6. Step 6: Final answer
    x = 215,607.74

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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.