Home / 421,961.26-582,307.14-230,986.72

Finding the Fourth Proportional to 421,961.26, 582,307.14 and 230,986.72

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Solution

The fourth proportional to 421,961.26, 582,307.14 and 230,986.72 is: 318,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,961.26 : 582,307.14 = 230,986.72 : x
  2. Step 2: Convert to fraction form
    421,961.26/582,307.14 = 230,986.72/x
  3. Step 3: Cross multiply
    421,961.26x = 582,307.14 × 230,986.72
  4. Step 4: Simplify right side
    421,961.26x = 134,505,216,301.18
  5. Step 5: Solve for x
    x = 134,505,216,301.18/421,961.26
  6. Step 6: Final answer
    x = 318,762.00

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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.