Home / 322,127.12-444,556-178,887.16

Finding the Fourth Proportional to 322,127.12, 444,556 and 178,887.16

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Solution

The fourth proportional to 322,127.12, 444,556 and 178,887.16 is: 246,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,127.12 : 444,556 = 178,887.16 : x
  2. Step 2: Convert to fraction form
    322,127.12/444,556 = 178,887.16/x
  3. Step 3: Cross multiply
    322,127.12x = 444,556 × 178,887.16
  4. Step 4: Simplify right side
    322,127.12x = 79,525,360,300.96
  5. Step 5: Solve for x
    x = 79,525,360,300.96/322,127.12
  6. Step 6: Final answer
    x = 246,875.71

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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.