Home / 302,272.35-453,408.53-213,698.85

Finding the Fourth Proportional to 302,272.35, 453,408.53 and 213,698.85

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Solution

The fourth proportional to 302,272.35, 453,408.53 and 213,698.85 is: 320,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,272.35 : 453,408.53 = 213,698.85 : x
  2. Step 2: Convert to fraction form
    302,272.35/453,408.53 = 213,698.85/x
  3. Step 3: Cross multiply
    302,272.35x = 453,408.53 × 213,698.85
  4. Step 4: Simplify right side
    302,272.35x = 96,892,880,372.70
  5. Step 5: Solve for x
    x = 96,892,880,372.70/302,272.35
  6. Step 6: Final answer
    x = 320,548.28

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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.