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Finding the Fourth Proportional to 240,038.40, 360,057.60 and 82,268.40

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Solution

The fourth proportional to 240,038.40, 360,057.60 and 82,268.40 is: 123,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,038.40 : 360,057.60 = 82,268.40 : x
  2. Step 2: Convert to fraction form
    240,038.40/360,057.60 = 82,268.40/x
  3. Step 3: Cross multiply
    240,038.40x = 360,057.60 × 82,268.40
  4. Step 4: Simplify right side
    240,038.40x = 29,621,362,659.84
  5. Step 5: Solve for x
    x = 29,621,362,659.84/240,038.40
  6. Step 6: Final answer
    x = 123,402.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.