Home / 325,746.49-488,612.78-89,089.17

Finding the Fourth Proportional to 325,746.49, 488,612.78 and 89,089.17

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Solution

The fourth proportional to 325,746.49, 488,612.78 and 89,089.17 is: 133,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,746.49 : 488,612.78 = 89,089.17 : x
  2. Step 2: Convert to fraction form
    325,746.49/488,612.78 = 89,089.17/x
  3. Step 3: Cross multiply
    325,746.49x = 488,612.78 × 89,089.17
  4. Step 4: Simplify right side
    325,746.49x = 43,530,107,021.59
  5. Step 5: Solve for x
    x = 43,530,107,021.59/325,746.49
  6. Step 6: Final answer
    x = 133,631.85

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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.