Home / 421,923.78-582,253.83-230,935.50

Finding the Fourth Proportional to 421,923.78, 582,253.83 and 230,935.50

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Solution

The fourth proportional to 421,923.78, 582,253.83 and 230,935.50 is: 318,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.78 : 582,253.83 = 230,935.50 : x
  2. Step 2: Convert to fraction form
    421,923.78/582,253.83 = 230,935.50/x
  3. Step 3: Cross multiply
    421,923.78x = 582,253.83 × 230,935.50
  4. Step 4: Simplify right side
    421,923.78x = 134,463,079,357.97
  5. Step 5: Solve for x
    x = 134,463,079,357.97/421,923.78
  6. Step 6: Final answer
    x = 318,690.45

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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.