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Finding the Fourth Proportional to 173,664.40, 260,496.60 and 49,005.40

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Solution

The fourth proportional to 173,664.40, 260,496.60 and 49,005.40 is: 73,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,664.40 : 260,496.60 = 49,005.40 : x
  2. Step 2: Convert to fraction form
    173,664.40/260,496.60 = 49,005.40/x
  3. Step 3: Cross multiply
    173,664.40x = 260,496.60 × 49,005.40
  4. Step 4: Simplify right side
    173,664.40x = 12,765,740,081.64
  5. Step 5: Solve for x
    x = 12,765,740,081.64/173,664.40
  6. Step 6: Final answer
    x = 73,508.10

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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.