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Finding the Fourth Proportional to 310,518.60, 465,121.80 and 310,518.60

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Solution

The fourth proportional to 310,518.60, 465,121.80 and 310,518.60 is: 465,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,518.60 : 465,121.80 = 310,518.60 : x
  2. Step 2: Convert to fraction form
    310,518.60/465,121.80 = 310,518.60/x
  3. Step 3: Cross multiply
    310,518.60x = 465,121.80 × 310,518.60
  4. Step 4: Simplify right side
    310,518.60x = 144,428,970,165.48
  5. Step 5: Solve for x
    x = 144,428,970,165.48/310,518.60
  6. Step 6: Final answer
    x = 465,121.80

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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.