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Finding the Fourth Proportional to 241,312.60, 361,968.90 and 223,816.60

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Solution

The fourth proportional to 241,312.60, 361,968.90 and 223,816.60 is: 335,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,312.60 : 361,968.90 = 223,816.60 : x
  2. Step 2: Convert to fraction form
    241,312.60/361,968.90 = 223,816.60/x
  3. Step 3: Cross multiply
    241,312.60x = 361,968.90 × 223,816.60
  4. Step 4: Simplify right side
    241,312.60x = 81,014,648,503.74
  5. Step 5: Solve for x
    x = 81,014,648,503.74/241,312.60
  6. Step 6: Final answer
    x = 335,724.90

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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.