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Finding the Fourth Proportional to 332,368.79, 498,511.63 and 92,500.67

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Solution

The fourth proportional to 332,368.79, 498,511.63 and 92,500.67 is: 138,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,368.79 : 498,511.63 = 92,500.67 : x
  2. Step 2: Convert to fraction form
    332,368.79/498,511.63 = 92,500.67/x
  3. Step 3: Cross multiply
    332,368.79x = 498,511.63 × 92,500.67
  4. Step 4: Simplify right side
    332,368.79x = 46,112,660,792.82
  5. Step 5: Solve for x
    x = 46,112,660,792.82/332,368.79
  6. Step 6: Final answer
    x = 138,739.45

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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.