Home / 272,893.23-407,421.07-208,514.44

Finding the Fourth Proportional to 272,893.23, 407,421.07 and 208,514.44

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Solution

The fourth proportional to 272,893.23, 407,421.07 and 208,514.44 is: 311,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,893.23 : 407,421.07 = 208,514.44 : x
  2. Step 2: Convert to fraction form
    272,893.23/407,421.07 = 208,514.44/x
  3. Step 3: Cross multiply
    272,893.23x = 407,421.07 × 208,514.44
  4. Step 4: Simplify right side
    272,893.23x = 84,953,177,984.57
  5. Step 5: Solve for x
    x = 84,953,177,984.57/272,893.23
  6. Step 6: Final answer
    x = 311,305.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.