Home / 421,918.17-582,224.61-230,894.64

Finding the Fourth Proportional to 421,918.17, 582,224.61 and 230,894.64

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Solution

The fourth proportional to 421,918.17, 582,224.61 and 230,894.64 is: 318,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,918.17 : 582,224.61 = 230,894.64 : x
  2. Step 2: Convert to fraction form
    421,918.17/582,224.61 = 230,894.64/x
  3. Step 3: Cross multiply
    421,918.17x = 582,224.61 × 230,894.64
  4. Step 4: Simplify right side
    421,918.17x = 134,432,541,725.09
  5. Step 5: Solve for x
    x = 134,432,541,725.09/421,918.17
  6. Step 6: Final answer
    x = 318,622.31

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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.