Home / 376,528.20-565,229.70-226,937.40

Finding the Fourth Proportional to 376,528.20, 565,229.70 and 226,937.40

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Solution

The fourth proportional to 376,528.20, 565,229.70 and 226,937.40 is: 340,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,528.20 : 565,229.70 = 226,937.40 : x
  2. Step 2: Convert to fraction form
    376,528.20/565,229.70 = 226,937.40/x
  3. Step 3: Cross multiply
    376,528.20x = 565,229.70 × 226,937.40
  4. Step 4: Simplify right side
    376,528.20x = 128,271,758,520.78
  5. Step 5: Solve for x
    x = 128,271,758,520.78/376,528.20
  6. Step 6: Final answer
    x = 340,669.73

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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.