Home / 400,827.12-601,221.96-164,111.28

Finding the Fourth Proportional to 400,827.12, 601,221.96 and 164,111.28

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Solution

The fourth proportional to 400,827.12, 601,221.96 and 164,111.28 is: 246,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,827.12 : 601,221.96 = 164,111.28 : x
  2. Step 2: Convert to fraction form
    400,827.12/601,221.96 = 164,111.28/x
  3. Step 3: Cross multiply
    400,827.12x = 601,221.96 × 164,111.28
  4. Step 4: Simplify right side
    400,827.12x = 98,667,305,419.71
  5. Step 5: Solve for x
    x = 98,667,305,419.71/400,827.12
  6. Step 6: Final answer
    x = 246,159.26

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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.