Home / 421,712.44-581,971.57-230,729.93

Finding the Fourth Proportional to 421,712.44, 581,971.57 and 230,729.93

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Solution

The fourth proportional to 421,712.44, 581,971.57 and 230,729.93 is: 318,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,712.44 : 581,971.57 = 230,729.93 : x
  2. Step 2: Convert to fraction form
    421,712.44/581,971.57 = 230,729.93/x
  3. Step 3: Cross multiply
    421,712.44x = 581,971.57 × 230,729.93
  4. Step 4: Simplify right side
    421,712.44x = 134,278,259,608.09
  5. Step 5: Solve for x
    x = 134,278,259,608.09/421,712.44
  6. Step 6: Final answer
    x = 318,411.90

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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.