Home / 262,241.20-393,331.56-72,715.60

Finding the Fourth Proportional to 262,241.20, 393,331.56 and 72,715.60

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Solution

The fourth proportional to 262,241.20, 393,331.56 and 72,715.60 is: 109,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,241.20 : 393,331.56 = 72,715.60 : x
  2. Step 2: Convert to fraction form
    262,241.20/393,331.56 = 72,715.60/x
  3. Step 3: Cross multiply
    262,241.20x = 393,331.56 × 72,715.60
  4. Step 4: Simplify right side
    262,241.20x = 28,601,340,384.34
  5. Step 5: Solve for x
    x = 28,601,340,384.34/262,241.20
  6. Step 6: Final answer
    x = 109,065.01

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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.