Home / 299,012.22-448,430.31-111,979.98

Finding the Fourth Proportional to 299,012.22, 448,430.31 and 111,979.98

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Solution

The fourth proportional to 299,012.22, 448,430.31 and 111,979.98 is: 167,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,012.22 : 448,430.31 = 111,979.98 : x
  2. Step 2: Convert to fraction form
    299,012.22/448,430.31 = 111,979.98/x
  3. Step 3: Cross multiply
    299,012.22x = 448,430.31 × 111,979.98
  4. Step 4: Simplify right side
    299,012.22x = 50,215,217,145.19
  5. Step 5: Solve for x
    x = 50,215,217,145.19/299,012.22
  6. Step 6: Final answer
    x = 167,937.01

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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.