Home / 307,164.15-423,871.58-171,212.94

Finding the Fourth Proportional to 307,164.15, 423,871.58 and 171,212.94

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Solution

The fourth proportional to 307,164.15, 423,871.58 and 171,212.94 is: 236,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,164.15 : 423,871.58 = 171,212.94 : x
  2. Step 2: Convert to fraction form
    307,164.15/423,871.58 = 171,212.94/x
  3. Step 3: Cross multiply
    307,164.15x = 423,871.58 × 171,212.94
  4. Step 4: Simplify right side
    307,164.15x = 72,572,299,822.28
  5. Step 5: Solve for x
    x = 72,572,299,822.28/307,164.15
  6. Step 6: Final answer
    x = 236,265.53

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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.