Home / 421,964.96-582,318.06-230,996.12

Finding the Fourth Proportional to 421,964.96, 582,318.06 and 230,996.12

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Solution

The fourth proportional to 421,964.96, 582,318.06 and 230,996.12 is: 318,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,964.96 : 582,318.06 = 230,996.12 : x
  2. Step 2: Convert to fraction form
    421,964.96/582,318.06 = 230,996.12/x
  3. Step 3: Cross multiply
    421,964.96x = 582,318.06 × 230,996.12
  4. Step 4: Simplify right side
    421,964.96x = 134,513,212,465.93
  5. Step 5: Solve for x
    x = 134,513,212,465.93/421,964.96
  6. Step 6: Final answer
    x = 318,778.16

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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.