Home / 421,929.46-582,268.08-230,938.75

Finding the Fourth Proportional to 421,929.46, 582,268.08 and 230,938.75

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Solution

The fourth proportional to 421,929.46, 582,268.08 and 230,938.75 is: 318,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,929.46 : 582,268.08 = 230,938.75 : x
  2. Step 2: Convert to fraction form
    421,929.46/582,268.08 = 230,938.75/x
  3. Step 3: Cross multiply
    421,929.46x = 582,268.08 × 230,938.75
  4. Step 4: Simplify right side
    421,929.46x = 134,468,262,560.10
  5. Step 5: Solve for x
    x = 134,468,262,560.10/421,929.46
  6. Step 6: Final answer
    x = 318,698.44

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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.