Home / 300,539.07-414,743.91-173,222.87

Finding the Fourth Proportional to 300,539.07, 414,743.91 and 173,222.87

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Solution

The fourth proportional to 300,539.07, 414,743.91 and 173,222.87 is: 239,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,539.07 : 414,743.91 = 173,222.87 : x
  2. Step 2: Convert to fraction form
    300,539.07/414,743.91 = 173,222.87/x
  3. Step 3: Cross multiply
    300,539.07x = 414,743.91 × 173,222.87
  4. Step 4: Simplify right side
    300,539.07x = 71,843,128,331.50
  5. Step 5: Solve for x
    x = 71,843,128,331.50/300,539.07
  6. Step 6: Final answer
    x = 239,047.55

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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.