Home / 267,928.20-401,746.30-80,915.40

Finding the Fourth Proportional to 267,928.20, 401,746.30 and 80,915.40

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Solution

The fourth proportional to 267,928.20, 401,746.30 and 80,915.40 is: 121,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,928.20 : 401,746.30 = 80,915.40 : x
  2. Step 2: Convert to fraction form
    267,928.20/401,746.30 = 80,915.40/x
  3. Step 3: Cross multiply
    267,928.20x = 401,746.30 × 80,915.40
  4. Step 4: Simplify right side
    267,928.20x = 32,507,462,563.02
  5. Step 5: Solve for x
    x = 32,507,462,563.02/267,928.20
  6. Step 6: Final answer
    x = 121,329.01

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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.