Home / 288,858.24-433,298.88-89,160.96

Finding the Fourth Proportional to 288,858.24, 433,298.88 and 89,160.96

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Solution

The fourth proportional to 288,858.24, 433,298.88 and 89,160.96 is: 133,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,858.24 : 433,298.88 = 89,160.96 : x
  2. Step 2: Convert to fraction form
    288,858.24/433,298.88 = 89,160.96/x
  3. Step 3: Cross multiply
    288,858.24x = 433,298.88 × 89,160.96
  4. Step 4: Simplify right side
    288,858.24x = 38,633,344,107.72
  5. Step 5: Solve for x
    x = 38,633,344,107.72/288,858.24
  6. Step 6: Final answer
    x = 133,745.00

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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.