Home / 288,935.10-433,448.82-89,208.54

Finding the Fourth Proportional to 288,935.10, 433,448.82 and 89,208.54

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Solution

The fourth proportional to 288,935.10, 433,448.82 and 89,208.54 is: 133,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,935.10 : 433,448.82 = 89,208.54 : x
  2. Step 2: Convert to fraction form
    288,935.10/433,448.82 = 89,208.54/x
  3. Step 3: Cross multiply
    288,935.10x = 433,448.82 × 89,208.54
  4. Step 4: Simplify right side
    288,935.10x = 38,667,336,396.92
  5. Step 5: Solve for x
    x = 38,667,336,396.92/288,935.10
  6. Step 6: Final answer
    x = 133,827.06

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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.