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Finding the Fourth Proportional to 228,666.34, 343,116.61 and 108,858.84

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Solution

The fourth proportional to 228,666.34, 343,116.61 and 108,858.84 is: 163,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,666.34 : 343,116.61 = 108,858.84 : x
  2. Step 2: Convert to fraction form
    228,666.34/343,116.61 = 108,858.84/x
  3. Step 3: Cross multiply
    228,666.34x = 343,116.61 × 108,858.84
  4. Step 4: Simplify right side
    228,666.34x = 37,351,274,590.50
  5. Step 5: Solve for x
    x = 37,351,274,590.50/228,666.34
  6. Step 6: Final answer
    x = 163,344.00

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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.