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Finding the Fourth Proportional to 635,533.92, 953,333.67 and 162,223.38

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Solution

The fourth proportional to 635,533.92, 953,333.67 and 162,223.38 is: 243,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,533.92 : 953,333.67 = 162,223.38 : x
  2. Step 2: Convert to fraction form
    635,533.92/953,333.67 = 162,223.38/x
  3. Step 3: Cross multiply
    635,533.92x = 953,333.67 × 162,223.38
  4. Step 4: Simplify right side
    635,533.92x = 154,653,010,215.21
  5. Step 5: Solve for x
    x = 154,653,010,215.21/635,533.92
  6. Step 6: Final answer
    x = 243,343.44

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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.