Home / 421,814.53-582,104.10-230,827.93

Finding the Fourth Proportional to 421,814.53, 582,104.10 and 230,827.93

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Solution

The fourth proportional to 421,814.53, 582,104.10 and 230,827.93 is: 318,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,814.53 : 582,104.10 = 230,827.93 : x
  2. Step 2: Convert to fraction form
    421,814.53/582,104.10 = 230,827.93/x
  3. Step 3: Cross multiply
    421,814.53x = 582,104.10 × 230,827.93
  4. Step 4: Simplify right side
    421,814.53x = 134,365,884,447.51
  5. Step 5: Solve for x
    x = 134,365,884,447.51/421,814.53
  6. Step 6: Final answer
    x = 318,542.57

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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.