Home / 343,760.06-515,654.08-163,752.96

Finding the Fourth Proportional to 343,760.06, 515,654.08 and 163,752.96

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Solution

The fourth proportional to 343,760.06, 515,654.08 and 163,752.96 is: 245,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,760.06 : 515,654.08 = 163,752.96 : x
  2. Step 2: Convert to fraction form
    343,760.06/515,654.08 = 163,752.96/x
  3. Step 3: Cross multiply
    343,760.06x = 515,654.08 × 163,752.96
  4. Step 4: Simplify right side
    343,760.06x = 84,439,881,936.08
  5. Step 5: Solve for x
    x = 84,439,881,936.08/343,760.06
  6. Step 6: Final answer
    x = 245,636.10

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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.