Home / 378,926.07-522,688.46-225,862.26

Finding the Fourth Proportional to 378,926.07, 522,688.46 and 225,862.26

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Solution

The fourth proportional to 378,926.07, 522,688.46 and 225,862.26 is: 311,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,926.07 : 522,688.46 = 225,862.26 : x
  2. Step 2: Convert to fraction form
    378,926.07/522,688.46 = 225,862.26/x
  3. Step 3: Cross multiply
    378,926.07x = 522,688.46 × 225,862.26
  4. Step 4: Simplify right side
    378,926.07x = 118,055,595,722.21
  5. Step 5: Solve for x
    x = 118,055,595,722.21/378,926.07
  6. Step 6: Final answer
    x = 311,553.11

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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.