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Finding the Fourth Proportional to 635,553.44, 953,329.85 and 162,238.65

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Solution

The fourth proportional to 635,553.44, 953,329.85 and 162,238.65 is: 243,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,553.44 : 953,329.85 = 162,238.65 : x
  2. Step 2: Convert to fraction form
    635,553.44/953,329.85 = 162,238.65/x
  3. Step 3: Cross multiply
    635,553.44x = 953,329.85 × 162,238.65
  4. Step 4: Simplify right side
    635,553.44x = 154,666,947,868.70
  5. Step 5: Solve for x
    x = 154,666,947,868.70/635,553.44
  6. Step 6: Final answer
    x = 243,357.90

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1.5x scale

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.