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Finding the Fourth Proportional to 635,693.60, 953,539.46 and 162,379.08

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Solution

The fourth proportional to 635,693.60, 953,539.46 and 162,379.08 is: 243,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,693.60 : 953,539.46 = 162,379.08 : x
  2. Step 2: Convert to fraction form
    635,693.60/953,539.46 = 162,379.08/x
  3. Step 3: Cross multiply
    635,693.60x = 953,539.46 × 162,379.08
  4. Step 4: Simplify right side
    635,693.60x = 154,834,860,258.50
  5. Step 5: Solve for x
    x = 154,834,860,258.50/635,693.60
  6. Step 6: Final answer
    x = 243,568.38

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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.