Home / 353,456.42-487,802.27-200,544.35

Finding the Fourth Proportional to 353,456.42, 487,802.27 and 200,544.35

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Solution

The fourth proportional to 353,456.42, 487,802.27 and 200,544.35 is: 276,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,456.42 : 487,802.27 = 200,544.35 : x
  2. Step 2: Convert to fraction form
    353,456.42/487,802.27 = 200,544.35/x
  3. Step 3: Cross multiply
    353,456.42x = 487,802.27 × 200,544.35
  4. Step 4: Simplify right side
    353,456.42x = 97,825,988,162.95
  5. Step 5: Solve for x
    x = 97,825,988,162.95/353,456.42
  6. Step 6: Final answer
    x = 276,769.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.