Home / 421,801.29-582,085.76-230,814.69

Finding the Fourth Proportional to 421,801.29, 582,085.76 and 230,814.69

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Solution

The fourth proportional to 421,801.29, 582,085.76 and 230,814.69 is: 318,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,801.29 : 582,085.76 = 230,814.69 : x
  2. Step 2: Convert to fraction form
    421,801.29/582,085.76 = 230,814.69/x
  3. Step 3: Cross multiply
    421,801.29x = 582,085.76 × 230,814.69
  4. Step 4: Simplify right side
    421,801.29x = 134,353,943,093.74
  5. Step 5: Solve for x
    x = 134,353,943,093.74/421,801.29
  6. Step 6: Final answer
    x = 318,524.26

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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.