Home / 670,847.56-1,006,271.34-172,211.56

Finding the Fourth Proportional to 670,847.56, 1,006,271.34 and 172,211.56

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Solution

The fourth proportional to 670,847.56, 1,006,271.34 and 172,211.56 is: 258,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,847.56 : 1,006,271.34 = 172,211.56 : x
  2. Step 2: Convert to fraction form
    670,847.56/1,006,271.34 = 172,211.56/x
  3. Step 3: Cross multiply
    670,847.56x = 1,006,271.34 × 172,211.56
  4. Step 4: Simplify right side
    670,847.56x = 173,291,557,244.69
  5. Step 5: Solve for x
    x = 173,291,557,244.69/670,847.56
  6. Step 6: Final answer
    x = 258,317.34

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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.