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Finding the Fourth Proportional to 635,493.84, 953,240.08 and 162,179.20

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Solution

The fourth proportional to 635,493.84, 953,240.08 and 162,179.20 is: 243,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,493.84 : 953,240.08 = 162,179.20 : x
  2. Step 2: Convert to fraction form
    635,493.84/953,240.08 = 162,179.20/x
  3. Step 3: Cross multiply
    635,493.84x = 953,240.08 × 162,179.20
  4. Step 4: Simplify right side
    635,493.84x = 154,595,713,582.34
  5. Step 5: Solve for x
    x = 154,595,713,582.34/635,493.84
  6. Step 6: Final answer
    x = 243,268.63

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Similar ratio
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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.