Home / 356,276.23-491,664.66-213,036.28

Finding the Fourth Proportional to 356,276.23, 491,664.66 and 213,036.28

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Solution

The fourth proportional to 356,276.23, 491,664.66 and 213,036.28 is: 293,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,276.23 : 491,664.66 = 213,036.28 : x
  2. Step 2: Convert to fraction form
    356,276.23/491,664.66 = 213,036.28/x
  3. Step 3: Cross multiply
    356,276.23x = 491,664.66 × 213,036.28
  4. Step 4: Simplify right side
    356,276.23x = 104,742,407,715.54
  5. Step 5: Solve for x
    x = 104,742,407,715.54/356,276.23
  6. Step 6: Final answer
    x = 293,992.13

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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.