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Finding the Fourth Proportional to 308,970.40, 463,023.60 and 245,898.40

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Solution

The fourth proportional to 308,970.40, 463,023.60 and 245,898.40 is: 368,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,970.40 : 463,023.60 = 245,898.40 : x
  2. Step 2: Convert to fraction form
    308,970.40/463,023.60 = 245,898.40/x
  3. Step 3: Cross multiply
    308,970.40x = 463,023.60 × 245,898.40
  4. Step 4: Simplify right side
    308,970.40x = 113,856,762,402.24
  5. Step 5: Solve for x
    x = 113,856,762,402.24/308,970.40
  6. Step 6: Final answer
    x = 368,503.79

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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.