Home / 347,829.54-521,064.82-239,739.70

Finding the Fourth Proportional to 347,829.54, 521,064.82 and 239,739.70

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Solution

The fourth proportional to 347,829.54, 521,064.82 and 239,739.70 is: 359,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,829.54 : 521,064.82 = 239,739.70 : x
  2. Step 2: Convert to fraction form
    347,829.54/521,064.82 = 239,739.70/x
  3. Step 3: Cross multiply
    347,829.54x = 521,064.82 × 239,739.70
  4. Step 4: Simplify right side
    347,829.54x = 124,919,921,725.34
  5. Step 5: Solve for x
    x = 124,919,921,725.34/347,829.54
  6. Step 6: Final answer
    x = 359,141.21

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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.