Home / 421,923.44-582,255.05-230,948.93

Finding the Fourth Proportional to 421,923.44, 582,255.05 and 230,948.93

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Solution

The fourth proportional to 421,923.44, 582,255.05 and 230,948.93 is: 318,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.44 : 582,255.05 = 230,948.93 : x
  2. Step 2: Convert to fraction form
    421,923.44/582,255.05 = 230,948.93/x
  3. Step 3: Cross multiply
    421,923.44x = 582,255.05 × 230,948.93
  4. Step 4: Simplify right side
    421,923.44x = 134,471,176,718.58
  5. Step 5: Solve for x
    x = 134,471,176,718.58/421,923.44
  6. Step 6: Final answer
    x = 318,709.90

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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.