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Finding the Fourth Proportional to 290,652.10, 401,110.05 and 163,325.14

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Solution

The fourth proportional to 290,652.10, 401,110.05 and 163,325.14 is: 225,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,652.10 : 401,110.05 = 163,325.14 : x
  2. Step 2: Convert to fraction form
    290,652.10/401,110.05 = 163,325.14/x
  3. Step 3: Cross multiply
    290,652.10x = 401,110.05 × 163,325.14
  4. Step 4: Simplify right side
    290,652.10x = 65,511,355,071.66
  5. Step 5: Solve for x
    x = 65,511,355,071.66/290,652.10
  6. Step 6: Final answer
    x = 225,394.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.