Home / 421,074.03-581,083.64-230,087.42

Finding the Fourth Proportional to 421,074.03, 581,083.64 and 230,087.42

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Solution

The fourth proportional to 421,074.03, 581,083.64 and 230,087.42 is: 317,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,074.03 : 581,083.64 = 230,087.42 : x
  2. Step 2: Convert to fraction form
    421,074.03/581,083.64 = 230,087.42/x
  3. Step 3: Cross multiply
    421,074.03x = 581,083.64 × 230,087.42
  4. Step 4: Simplify right side
    421,074.03x = 133,700,031,475.95
  5. Step 5: Solve for x
    x = 133,700,031,475.95/421,074.03
  6. Step 6: Final answer
    x = 317,521.44

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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.