Home / 405,292.98-607,441.17-227,426.34

Finding the Fourth Proportional to 405,292.98, 607,441.17 and 227,426.34

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Solution

The fourth proportional to 405,292.98, 607,441.17 and 227,426.34 is: 340,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,292.98 : 607,441.17 = 227,426.34 : x
  2. Step 2: Convert to fraction form
    405,292.98/607,441.17 = 227,426.34/x
  3. Step 3: Cross multiply
    405,292.98x = 607,441.17 × 227,426.34
  4. Step 4: Simplify right side
    405,292.98x = 138,148,122,058.42
  5. Step 5: Solve for x
    x = 138,148,122,058.42/405,292.98
  6. Step 6: Final answer
    x = 340,859.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.