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Finding the Fourth Proportional to 325,363.41, 488,030.73 and 88,706.11

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Solution

The fourth proportional to 325,363.41, 488,030.73 and 88,706.11 is: 133,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,363.41 : 488,030.73 = 88,706.11 : x
  2. Step 2: Convert to fraction form
    325,363.41/488,030.73 = 88,706.11/x
  3. Step 3: Cross multiply
    325,363.41x = 488,030.73 × 88,706.11
  4. Step 4: Simplify right side
    325,363.41x = 43,291,307,618.76
  5. Step 5: Solve for x
    x = 43,291,307,618.76/325,363.41
  6. Step 6: Final answer
    x = 133,055.25

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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.