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Finding the Fourth Proportional to 252,698.50, 348,308.64 and 179,136

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Solution

The fourth proportional to 252,698.50, 348,308.64 and 179,136 is: 246,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,698.50 : 348,308.64 = 179,136 : x
  2. Step 2: Convert to fraction form
    252,698.50/348,308.64 = 179,136/x
  3. Step 3: Cross multiply
    252,698.50x = 348,308.64 × 179,136
  4. Step 4: Simplify right side
    252,698.50x = 62,394,616,535.04
  5. Step 5: Solve for x
    x = 62,394,616,535.04/252,698.50
  6. Step 6: Final answer
    x = 246,913.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.