Home / 421,923.90-582,254.01-230,935.62

Finding the Fourth Proportional to 421,923.90, 582,254.01 and 230,935.62

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Solution

The fourth proportional to 421,923.90, 582,254.01 and 230,935.62 is: 318,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.90 : 582,254.01 = 230,935.62 : x
  2. Step 2: Convert to fraction form
    421,923.90/582,254.01 = 230,935.62/x
  3. Step 3: Cross multiply
    421,923.90x = 582,254.01 × 230,935.62
  4. Step 4: Simplify right side
    421,923.90x = 134,463,190,796.84
  5. Step 5: Solve for x
    x = 134,463,190,796.84/421,923.90
  6. Step 6: Final answer
    x = 318,690.62

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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.