Home / 307,988.41-425,015.24-172,018.37

Finding the Fourth Proportional to 307,988.41, 425,015.24 and 172,018.37

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Solution

The fourth proportional to 307,988.41, 425,015.24 and 172,018.37 is: 237,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,988.41 : 425,015.24 = 172,018.37 : x
  2. Step 2: Convert to fraction form
    307,988.41/425,015.24 = 172,018.37/x
  3. Step 3: Cross multiply
    307,988.41x = 425,015.24 × 172,018.37
  4. Step 4: Simplify right side
    307,988.41x = 73,110,427,114.93
  5. Step 5: Solve for x
    x = 73,110,427,114.93/307,988.41
  6. Step 6: Final answer
    x = 237,380.45

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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.