Home / 670,805.56-1,006,208.34-172,169.56

Finding the Fourth Proportional to 670,805.56, 1,006,208.34 and 172,169.56

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Solution

The fourth proportional to 670,805.56, 1,006,208.34 and 172,169.56 is: 258,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,805.56 : 1,006,208.34 = 172,169.56 : x
  2. Step 2: Convert to fraction form
    670,805.56/1,006,208.34 = 172,169.56/x
  3. Step 3: Cross multiply
    670,805.56x = 1,006,208.34 × 172,169.56
  4. Step 4: Simplify right side
    670,805.56x = 173,238,447,166.13
  5. Step 5: Solve for x
    x = 173,238,447,166.13/670,805.56
  6. Step 6: Final answer
    x = 258,254.34

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Similar ratio
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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.