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Finding the Fourth Proportional to 148,598.87, 222,905.37 and 47,407.67

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Solution

The fourth proportional to 148,598.87, 222,905.37 and 47,407.67 is: 71,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,598.87 : 222,905.37 = 47,407.67 : x
  2. Step 2: Convert to fraction form
    148,598.87/222,905.37 = 47,407.67/x
  3. Step 3: Cross multiply
    148,598.87x = 222,905.37 × 47,407.67
  4. Step 4: Simplify right side
    148,598.87x = 10,567,424,779.45
  5. Step 5: Solve for x
    x = 10,567,424,779.45/148,598.87
  6. Step 6: Final answer
    x = 71,113.76

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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.