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Finding the Fourth Proportional to 349,043.00, 523,264.64 and 121,309.03

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Solution

The fourth proportional to 349,043.00, 523,264.64 and 121,309.03 is: 181,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,043.00 : 523,264.64 = 121,309.03 : x
  2. Step 2: Convert to fraction form
    349,043.00/523,264.64 = 121,309.03/x
  3. Step 3: Cross multiply
    349,043.00x = 523,264.64 × 121,309.03
  4. Step 4: Simplify right side
    349,043.00x = 63,476,725,305.15
  5. Step 5: Solve for x
    x = 63,476,725,305.15/349,043.00
  6. Step 6: Final answer
    x = 181,859.33

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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.