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Finding the Fourth Proportional to 340,828.60, 511,242.90 and 88,108.60

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Solution

The fourth proportional to 340,828.60, 511,242.90 and 88,108.60 is: 132,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,828.60 : 511,242.90 = 88,108.60 : x
  2. Step 2: Convert to fraction form
    340,828.60/511,242.90 = 88,108.60/x
  3. Step 3: Cross multiply
    340,828.60x = 511,242.90 × 88,108.60
  4. Step 4: Simplify right side
    340,828.60x = 45,044,896,178.94
  5. Step 5: Solve for x
    x = 45,044,896,178.94/340,828.60
  6. Step 6: Final answer
    x = 132,162.90

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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.