Home / 421,929.95-582,268.80-230,939.24

Finding the Fourth Proportional to 421,929.95, 582,268.80 and 230,939.24

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Solution

The fourth proportional to 421,929.95, 582,268.80 and 230,939.24 is: 318,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,929.95 : 582,268.80 = 230,939.24 : x
  2. Step 2: Convert to fraction form
    421,929.95/582,268.80 = 230,939.24/x
  3. Step 3: Cross multiply
    421,929.95x = 582,268.80 × 230,939.24
  4. Step 4: Simplify right side
    421,929.95x = 134,468,711,236.37
  5. Step 5: Solve for x
    x = 134,468,711,236.37/421,929.95
  6. Step 6: Final answer
    x = 318,699.14

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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.