Home / 421,086.03-581,100.24-230,099.43

Finding the Fourth Proportional to 421,086.03, 581,100.24 and 230,099.43

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Solution

The fourth proportional to 421,086.03, 581,100.24 and 230,099.43 is: 317,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,086.03 : 581,100.24 = 230,099.43 : x
  2. Step 2: Convert to fraction form
    421,086.03/581,100.24 = 230,099.43/x
  3. Step 3: Cross multiply
    421,086.03x = 581,100.24 × 230,099.43
  4. Step 4: Simplify right side
    421,086.03x = 133,710,837,038.86
  5. Step 5: Solve for x
    x = 133,710,837,038.86/421,086.03
  6. Step 6: Final answer
    x = 317,538.05

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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.