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Finding the Fourth Proportional to 238,350.20, 328,924.80 and 130,919.29

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Solution

The fourth proportional to 238,350.20, 328,924.80 and 130,919.29 is: 180,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,350.20 : 328,924.80 = 130,919.29 : x
  2. Step 2: Convert to fraction form
    238,350.20/328,924.80 = 130,919.29/x
  3. Step 3: Cross multiply
    238,350.20x = 328,924.80 × 130,919.29
  4. Step 4: Simplify right side
    238,350.20x = 43,062,600,457.08
  5. Step 5: Solve for x
    x = 43,062,600,457.08/238,350.20
  6. Step 6: Final answer
    x = 180,669.46

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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.