Home / 279,548.42-385,793.05-210,514.29

Finding the Fourth Proportional to 279,548.42, 385,793.05 and 210,514.29

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Solution

The fourth proportional to 279,548.42, 385,793.05 and 210,514.29 is: 290,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,548.42 : 385,793.05 = 210,514.29 : x
  2. Step 2: Convert to fraction form
    279,548.42/385,793.05 = 210,514.29/x
  3. Step 3: Cross multiply
    279,548.42x = 385,793.05 × 210,514.29
  4. Step 4: Simplify right side
    279,548.42x = 81,214,950,007.68
  5. Step 5: Solve for x
    x = 81,214,950,007.68/279,548.42
  6. Step 6: Final answer
    x = 290,521.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.