Home / 354,237.06-531,362.88-143,731.02

Finding the Fourth Proportional to 354,237.06, 531,362.88 and 143,731.02

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Solution

The fourth proportional to 354,237.06, 531,362.88 and 143,731.02 is: 215,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,237.06 : 531,362.88 = 143,731.02 : x
  2. Step 2: Convert to fraction form
    354,237.06/531,362.88 = 143,731.02/x
  3. Step 3: Cross multiply
    354,237.06x = 531,362.88 × 143,731.02
  4. Step 4: Simplify right side
    354,237.06x = 76,373,328,732.54
  5. Step 5: Solve for x
    x = 76,373,328,732.54/354,237.06
  6. Step 6: Final answer
    x = 215,599.49

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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.