Home / 448,221.60-672,769.80-223,835.40

Finding the Fourth Proportional to 448,221.60, 672,769.80 and 223,835.40

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Solution

The fourth proportional to 448,221.60, 672,769.80 and 223,835.40 is: 335,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,221.60 : 672,769.80 = 223,835.40 : x
  2. Step 2: Convert to fraction form
    448,221.60/672,769.80 = 223,835.40/x
  3. Step 3: Cross multiply
    448,221.60x = 672,769.80 × 223,835.40
  4. Step 4: Simplify right side
    448,221.60x = 150,589,697,290.92
  5. Step 5: Solve for x
    x = 150,589,697,290.92/448,221.60
  6. Step 6: Final answer
    x = 335,971.53

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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.