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Finding the Fourth Proportional to 147,281.60, 220,922.40 and 47,441.60

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Solution

The fourth proportional to 147,281.60, 220,922.40 and 47,441.60 is: 71,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,281.60 : 220,922.40 = 47,441.60 : x
  2. Step 2: Convert to fraction form
    147,281.60/220,922.40 = 47,441.60/x
  3. Step 3: Cross multiply
    147,281.60x = 220,922.40 × 47,441.60
  4. Step 4: Simplify right side
    147,281.60x = 10,480,912,131.84
  5. Step 5: Solve for x
    x = 10,480,912,131.84/147,281.60
  6. Step 6: Final answer
    x = 71,162.40

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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.