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Finding the Fourth Proportional to 240,047.20, 360,070.80 and 73,813.60

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Solution

The fourth proportional to 240,047.20, 360,070.80 and 73,813.60 is: 110,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,047.20 : 360,070.80 = 73,813.60 : x
  2. Step 2: Convert to fraction form
    240,047.20/360,070.80 = 73,813.60/x
  3. Step 3: Cross multiply
    240,047.20x = 360,070.80 × 73,813.60
  4. Step 4: Simplify right side
    240,047.20x = 26,578,122,002.88
  5. Step 5: Solve for x
    x = 26,578,122,002.88/240,047.20
  6. Step 6: Final answer
    x = 110,720.40

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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.