Home / 421,923.90-582,250.05-228,327.12

Finding the Fourth Proportional to 421,923.90, 582,250.05 and 228,327.12

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Solution

The fourth proportional to 421,923.90, 582,250.05 and 228,327.12 is: 315,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.90 : 582,250.05 = 228,327.12 : x
  2. Step 2: Convert to fraction form
    421,923.90/582,250.05 = 228,327.12/x
  3. Step 3: Cross multiply
    421,923.90x = 582,250.05 × 228,327.12
  4. Step 4: Simplify right side
    421,923.90x = 132,943,477,036.36
  5. Step 5: Solve for x
    x = 132,943,477,036.36/421,923.90
  6. Step 6: Final answer
    x = 315,088.76

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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.