Home / 302,249.12-453,374.48-144,441.68

Finding the Fourth Proportional to 302,249.12, 453,374.48 and 144,441.68

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Solution

The fourth proportional to 302,249.12, 453,374.48 and 144,441.68 is: 216,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,249.12 : 453,374.48 = 144,441.68 : x
  2. Step 2: Convert to fraction form
    302,249.12/453,374.48 = 144,441.68/x
  3. Step 3: Cross multiply
    302,249.12x = 453,374.48 × 144,441.68
  4. Step 4: Simplify right side
    302,249.12x = 65,486,171,560.33
  5. Step 5: Solve for x
    x = 65,486,171,560.33/302,249.12
  6. Step 6: Final answer
    x = 216,662.90

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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.