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Finding the Fourth Proportional to 635,603.64, 953,405.48 and 162,272.04

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Solution

The fourth proportional to 635,603.64, 953,405.48 and 162,272.04 is: 243,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,603.64 : 953,405.48 = 162,272.04 : x
  2. Step 2: Convert to fraction form
    635,603.64/953,405.48 = 162,272.04/x
  3. Step 3: Cross multiply
    635,603.64x = 953,405.48 × 162,272.04
  4. Step 4: Simplify right side
    635,603.64x = 154,711,052,186.78
  5. Step 5: Solve for x
    x = 154,711,052,186.78/635,603.64
  6. Step 6: Final answer
    x = 243,408.07

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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.