Home / 302,452.05-453,678.08-212,250.45

Finding the Fourth Proportional to 302,452.05, 453,678.08 and 212,250.45

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Solution

The fourth proportional to 302,452.05, 453,678.08 and 212,250.45 is: 318,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,452.05 : 453,678.08 = 212,250.45 : x
  2. Step 2: Convert to fraction form
    302,452.05/453,678.08 = 212,250.45/x
  3. Step 3: Cross multiply
    302,452.05x = 453,678.08 × 212,250.45
  4. Step 4: Simplify right side
    302,452.05x = 96,293,375,573.88
  5. Step 5: Solve for x
    x = 96,293,375,573.88/302,452.05
  6. Step 6: Final answer
    x = 318,375.68

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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.