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Finding the Fourth Proportional to 635,494.41, 953,240.81 and 162,179.78

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Solution

The fourth proportional to 635,494.41, 953,240.81 and 162,179.78 is: 243,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,494.41 : 953,240.81 = 162,179.78 : x
  2. Step 2: Convert to fraction form
    635,494.41/953,240.81 = 162,179.78/x
  3. Step 3: Cross multiply
    635,494.41x = 953,240.81 × 162,179.78
  4. Step 4: Simplify right side
    635,494.41x = 154,596,384,852.82
  5. Step 5: Solve for x
    x = 154,596,384,852.82/635,494.41
  6. Step 6: Final answer
    x = 243,269.47

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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.