Home / 353,051.26-487,208.76-200,118.36

Finding the Fourth Proportional to 353,051.26, 487,208.76 and 200,118.36

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Solution

The fourth proportional to 353,051.26, 487,208.76 and 200,118.36 is: 276,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,051.26 : 487,208.76 = 200,118.36 : x
  2. Step 2: Convert to fraction form
    353,051.26/487,208.76 = 200,118.36/x
  3. Step 3: Cross multiply
    353,051.26x = 487,208.76 × 200,118.36
  4. Step 4: Simplify right side
    353,051.26x = 97,499,418,028.83
  5. Step 5: Solve for x
    x = 97,499,418,028.83/353,051.26
  6. Step 6: Final answer
    x = 276,162.22

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1.5x scale

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.