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Finding the Fourth Proportional to 233,120.65, 321,706.00 and 131,146.18

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Solution

The fourth proportional to 233,120.65, 321,706.00 and 131,146.18 is: 180,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,120.65 : 321,706.00 = 131,146.18 : x
  2. Step 2: Convert to fraction form
    233,120.65/321,706.00 = 131,146.18/x
  3. Step 3: Cross multiply
    233,120.65x = 321,706.00 × 131,146.18
  4. Step 4: Simplify right side
    233,120.65x = 42,190,512,259.20
  5. Step 5: Solve for x
    x = 42,190,512,259.20/233,120.65
  6. Step 6: Final answer
    x = 180,981.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.