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Finding the Fourth Proportional to 146,410.40, 219,615.60 and 57,666.80

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Solution

The fourth proportional to 146,410.40, 219,615.60 and 57,666.80 is: 86,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,410.40 : 219,615.60 = 57,666.80 : x
  2. Step 2: Convert to fraction form
    146,410.40/219,615.60 = 57,666.80/x
  3. Step 3: Cross multiply
    146,410.40x = 219,615.60 × 57,666.80
  4. Step 4: Simplify right side
    146,410.40x = 12,664,528,882.08
  5. Step 5: Solve for x
    x = 12,664,528,882.08/146,410.40
  6. Step 6: Final answer
    x = 86,500.20

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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.