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Finding the Fourth Proportional to 352,817.00, 529,204.06 and 125,123.88

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Solution

The fourth proportional to 352,817.00, 529,204.06 and 125,123.88 is: 187,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,817.00 : 529,204.06 = 125,123.88 : x
  2. Step 2: Convert to fraction form
    352,817.00/529,204.06 = 125,123.88/x
  3. Step 3: Cross multiply
    352,817.00x = 529,204.06 × 125,123.88
  4. Step 4: Simplify right side
    352,817.00x = 66,216,064,986.14
  5. Step 5: Solve for x
    x = 66,216,064,986.14/352,817.00
  6. Step 6: Final answer
    x = 187,678.21

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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.