Home / 325,829.76-488,726.62-89,155.46

Finding the Fourth Proportional to 325,829.76, 488,726.62 and 89,155.46

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Solution

The fourth proportional to 325,829.76, 488,726.62 and 89,155.46 is: 133,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.76 : 488,726.62 = 89,155.46 : x
  2. Step 2: Convert to fraction form
    325,829.76/488,726.62 = 89,155.46/x
  3. Step 3: Cross multiply
    325,829.76x = 488,726.62 × 89,155.46
  4. Step 4: Simplify right side
    325,829.76x = 43,572,646,620.35
  5. Step 5: Solve for x
    x = 43,572,646,620.35/325,829.76
  6. Step 6: Final answer
    x = 133,728.26

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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.