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Finding the Fourth Proportional to 147,258, 220,887 and 36,450

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Solution

The fourth proportional to 147,258, 220,887 and 36,450 is: 54,675

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258 : 220,887 = 36,450 : x
  2. Step 2: Convert to fraction form
    147,258/220,887 = 36,450/x
  3. Step 3: Cross multiply
    147,258x = 220,887 × 36,450
  4. Step 4: Simplify right side
    147,258x = 8,051,331,150
  5. Step 5: Solve for x
    x = 8,051,331,150/147,258
  6. Step 6: Final answer
    x = 54,675

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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.