Home / 288,724.98-433,162.22-89,040.96

Finding the Fourth Proportional to 288,724.98, 433,162.22 and 89,040.96

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Solution

The fourth proportional to 288,724.98, 433,162.22 and 89,040.96 is: 133,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,724.98 : 433,162.22 = 89,040.96 : x
  2. Step 2: Convert to fraction form
    288,724.98/433,162.22 = 89,040.96/x
  3. Step 3: Cross multiply
    288,724.98x = 433,162.22 × 89,040.96
  4. Step 4: Simplify right side
    288,724.98x = 38,569,179,459.33
  5. Step 5: Solve for x
    x = 38,569,179,459.33/288,724.98
  6. Step 6: Final answer
    x = 133,584.49

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1.5x scale

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.