Home / 206,029.07-309,065.00-56,269.33

Finding the Fourth Proportional to 206,029.07, 309,065.00 and 56,269.33

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Solution

The fourth proportional to 206,029.07, 309,065.00 and 56,269.33 is: 84,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,029.07 : 309,065.00 = 56,269.33 : x
  2. Step 2: Convert to fraction form
    206,029.07/309,065.00 = 56,269.33/x
  3. Step 3: Cross multiply
    206,029.07x = 309,065.00 × 56,269.33
  4. Step 4: Simplify right side
    206,029.07x = 17,390,878,649.78
  5. Step 5: Solve for x
    x = 17,390,878,649.78/206,029.07
  6. Step 6: Final answer
    x = 84,409.83

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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.