Home / 347,112.35-520,326.89-202,835.06

Finding the Fourth Proportional to 347,112.35, 520,326.89 and 202,835.06

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Solution

The fourth proportional to 347,112.35, 520,326.89 and 202,835.06 is: 304,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,112.35 : 520,326.89 = 202,835.06 : x
  2. Step 2: Convert to fraction form
    347,112.35/520,326.89 = 202,835.06/x
  3. Step 3: Cross multiply
    347,112.35x = 520,326.89 × 202,835.06
  4. Step 4: Simplify right side
    347,112.35x = 105,540,537,653.18
  5. Step 5: Solve for x
    x = 105,540,537,653.18/347,112.35
  6. Step 6: Final answer
    x = 304,052.96

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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.