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Finding the Fourth Proportional to 602,337.28, 902,969.88 and 228,622.72

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Solution

The fourth proportional to 602,337.28, 902,969.88 and 228,622.72 is: 342,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,337.28 : 902,969.88 = 228,622.72 : x
  2. Step 2: Convert to fraction form
    602,337.28/902,969.88 = 228,622.72/x
  3. Step 3: Cross multiply
    602,337.28x = 902,969.88 × 228,622.72
  4. Step 4: Simplify right side
    602,337.28x = 206,439,430,043.67
  5. Step 5: Solve for x
    x = 206,439,430,043.67/602,337.28
  6. Step 6: Final answer
    x = 342,730.62

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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.