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Finding the Fourth Proportional to 555,130.76, 832,811.34 and 222,732.68

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Solution

The fourth proportional to 555,130.76, 832,811.34 and 222,732.68 is: 334,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,130.76 : 832,811.34 = 222,732.68 : x
  2. Step 2: Convert to fraction form
    555,130.76/832,811.34 = 222,732.68/x
  3. Step 3: Cross multiply
    555,130.76x = 832,811.34 × 222,732.68
  4. Step 4: Simplify right side
    555,130.76x = 185,494,301,692.59
  5. Step 5: Solve for x
    x = 185,494,301,692.59/555,130.76
  6. Step 6: Final answer
    x = 334,145.24

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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.