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Finding the Fourth Proportional to 299,179.72, 448,652.94 and 112,089.16

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Solution

The fourth proportional to 299,179.72, 448,652.94 and 112,089.16 is: 168,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,179.72 : 448,652.94 = 112,089.16 : x
  2. Step 2: Convert to fraction form
    299,179.72/448,652.94 = 112,089.16/x
  3. Step 3: Cross multiply
    299,179.72x = 448,652.94 × 112,089.16
  4. Step 4: Simplify right side
    299,179.72x = 50,289,131,176.13
  5. Step 5: Solve for x
    x = 50,289,131,176.13/299,179.72
  6. Step 6: Final answer
    x = 168,090.04

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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.