Home / 421,077.04-581,087.79-230,090.42

Finding the Fourth Proportional to 421,077.04, 581,087.79 and 230,090.42

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Solution

The fourth proportional to 421,077.04, 581,087.79 and 230,090.42 is: 317,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,077.04 : 581,087.79 = 230,090.42 : x
  2. Step 2: Convert to fraction form
    421,077.04/581,087.79 = 230,090.42/x
  3. Step 3: Cross multiply
    421,077.04x = 581,087.79 × 230,090.42
  4. Step 4: Simplify right side
    421,077.04x = 133,702,735,110.69
  5. Step 5: Solve for x
    x = 133,702,735,110.69/421,077.04
  6. Step 6: Final answer
    x = 317,525.59

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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.