Home / 229,349.25-343,500.09-109,490.51

Finding the Fourth Proportional to 229,349.25, 343,500.09 and 109,490.51

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Solution

The fourth proportional to 229,349.25, 343,500.09 and 109,490.51 is: 163,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,349.25 : 343,500.09 = 109,490.51 : x
  2. Step 2: Convert to fraction form
    229,349.25/343,500.09 = 109,490.51/x
  3. Step 3: Cross multiply
    229,349.25x = 343,500.09 × 109,490.51
  4. Step 4: Simplify right side
    229,349.25x = 37,609,998,321.65
  5. Step 5: Solve for x
    x = 37,609,998,321.65/229,349.25
  6. Step 6: Final answer
    x = 163,985.70

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1.5x scale

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.