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Finding the Fourth Proportional to 325,792.40, 488,515.80 and 115,437.20

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Solution

The fourth proportional to 325,792.40, 488,515.80 and 115,437.20 is: 173,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,792.40 : 488,515.80 = 115,437.20 : x
  2. Step 2: Convert to fraction form
    325,792.40/488,515.80 = 115,437.20/x
  3. Step 3: Cross multiply
    325,792.40x = 488,515.80 × 115,437.20
  4. Step 4: Simplify right side
    325,792.40x = 56,392,896,107.76
  5. Step 5: Solve for x
    x = 56,392,896,107.76/325,792.40
  6. Step 6: Final answer
    x = 173,094.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.