Home / 288,845.66-433,228.41-89,172.62

Finding the Fourth Proportional to 288,845.66, 433,228.41 and 89,172.62

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Solution

The fourth proportional to 288,845.66, 433,228.41 and 89,172.62 is: 133,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,845.66 : 433,228.41 = 89,172.62 : x
  2. Step 2: Convert to fraction form
    288,845.66/433,228.41 = 89,172.62/x
  3. Step 3: Cross multiply
    288,845.66x = 433,228.41 × 89,172.62
  4. Step 4: Simplify right side
    288,845.66x = 38,632,112,378.13
  5. Step 5: Solve for x
    x = 38,632,112,378.13/288,845.66
  6. Step 6: Final answer
    x = 133,746.56

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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.