Home / 938,145.19-1,407,204.42-228,174.52

Finding the Fourth Proportional to 938,145.19, 1,407,204.42 and 228,174.52

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Solution

The fourth proportional to 938,145.19, 1,407,204.42 and 228,174.52 is: 342,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,145.19 : 1,407,204.42 = 228,174.52 : x
  2. Step 2: Convert to fraction form
    938,145.19/1,407,204.42 = 228,174.52/x
  3. Step 3: Cross multiply
    938,145.19x = 1,407,204.42 × 228,174.52
  4. Step 4: Simplify right side
    938,145.19x = 321,088,193,075.38
  5. Step 5: Solve for x
    x = 321,088,193,075.38/938,145.19
  6. Step 6: Final answer
    x = 342,258.53

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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.