Home / 401,293.13-553,784.37-220,001.16

Finding the Fourth Proportional to 401,293.13, 553,784.37 and 220,001.16

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Solution

The fourth proportional to 401,293.13, 553,784.37 and 220,001.16 is: 303,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,293.13 : 553,784.37 = 220,001.16 : x
  2. Step 2: Convert to fraction form
    401,293.13/553,784.37 = 220,001.16/x
  3. Step 3: Cross multiply
    401,293.13x = 553,784.37 × 220,001.16
  4. Step 4: Simplify right side
    401,293.13x = 121,833,203,789.87
  5. Step 5: Solve for x
    x = 121,833,203,789.87/401,293.13
  6. Step 6: Final answer
    x = 303,601.52

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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.