Home / 307,944.51-462,062.96-213,320.31

Finding the Fourth Proportional to 307,944.51, 462,062.96 and 213,320.31

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Solution

The fourth proportional to 307,944.51, 462,062.96 and 213,320.31 is: 320,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,944.51 : 462,062.96 = 213,320.31 : x
  2. Step 2: Convert to fraction form
    307,944.51/462,062.96 = 213,320.31/x
  3. Step 3: Cross multiply
    307,944.51x = 462,062.96 × 213,320.31
  4. Step 4: Simplify right side
    307,944.51x = 98,567,413,866.72
  5. Step 5: Solve for x
    x = 98,567,413,866.72/307,944.51
  6. Step 6: Final answer
    x = 320,081.74

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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.