Home / 448,480.06-672,339.05-208,733.19

Finding the Fourth Proportional to 448,480.06, 672,339.05 and 208,733.19

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Solution

The fourth proportional to 448,480.06, 672,339.05 and 208,733.19 is: 312,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,480.06 : 672,339.05 = 208,733.19 : x
  2. Step 2: Convert to fraction form
    448,480.06/672,339.05 = 208,733.19/x
  3. Step 3: Cross multiply
    448,480.06x = 672,339.05 × 208,733.19
  4. Step 4: Simplify right side
    448,480.06x = 140,339,474,668.07
  5. Step 5: Solve for x
    x = 140,339,474,668.07/448,480.06
  6. Step 6: Final answer
    x = 312,922.44

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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.