Home / 229,727.67-344,366.53-128,575.11

Finding the Fourth Proportional to 229,727.67, 344,366.53 and 128,575.11

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Solution

The fourth proportional to 229,727.67, 344,366.53 and 128,575.11 is: 192,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,727.67 : 344,366.53 = 128,575.11 : x
  2. Step 2: Convert to fraction form
    229,727.67/344,366.53 = 128,575.11/x
  3. Step 3: Cross multiply
    229,727.67x = 344,366.53 × 128,575.11
  4. Step 4: Simplify right side
    229,727.67x = 44,276,964,153.63
  5. Step 5: Solve for x
    x = 44,276,964,153.63/229,727.67
  6. Step 6: Final answer
    x = 192,736.75

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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.