Home / 356,171.23-534,255.63-145,809.37

Finding the Fourth Proportional to 356,171.23, 534,255.63 and 145,809.37

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Solution

The fourth proportional to 356,171.23, 534,255.63 and 145,809.37 is: 218,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,171.23 : 534,255.63 = 145,809.37 : x
  2. Step 2: Convert to fraction form
    356,171.23/534,255.63 = 145,809.37/x
  3. Step 3: Cross multiply
    356,171.23x = 534,255.63 × 145,809.37
  4. Step 4: Simplify right side
    356,171.23x = 77,899,476,829.25
  5. Step 5: Solve for x
    x = 77,899,476,829.25/356,171.23
  6. Step 6: Final answer
    x = 218,713.56

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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.