Home / 421,812.03-582,100.65-230,825.46

Finding the Fourth Proportional to 421,812.03, 582,100.65 and 230,825.46

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Solution

The fourth proportional to 421,812.03, 582,100.65 and 230,825.46 is: 318,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,812.03 : 582,100.65 = 230,825.46 : x
  2. Step 2: Convert to fraction form
    421,812.03/582,100.65 = 230,825.46/x
  3. Step 3: Cross multiply
    421,812.03x = 582,100.65 × 230,825.46
  4. Step 4: Simplify right side
    421,812.03x = 134,363,650,302.55
  5. Step 5: Solve for x
    x = 134,363,650,302.55/421,812.03
  6. Step 6: Final answer
    x = 318,539.16

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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.