Home / 302,542.10-453,035.55-223,226.90

Finding the Fourth Proportional to 302,542.10, 453,035.55 and 223,226.90

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Solution

The fourth proportional to 302,542.10, 453,035.55 and 223,226.90 is: 334,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,542.10 : 453,035.55 = 223,226.90 : x
  2. Step 2: Convert to fraction form
    302,542.10/453,035.55 = 223,226.90/x
  3. Step 3: Cross multiply
    302,542.10x = 453,035.55 × 223,226.90
  4. Step 4: Simplify right side
    302,542.10x = 101,129,721,416.30
  5. Step 5: Solve for x
    x = 101,129,721,416.30/302,542.10
  6. Step 6: Final answer
    x = 334,266.61

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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.