Home / 347,911.70-521,703.06-134,779.44

Finding the Fourth Proportional to 347,911.70, 521,703.06 and 134,779.44

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Solution

The fourth proportional to 347,911.70, 521,703.06 and 134,779.44 is: 202,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,911.70 : 521,703.06 = 134,779.44 : x
  2. Step 2: Convert to fraction form
    347,911.70/521,703.06 = 134,779.44/x
  3. Step 3: Cross multiply
    347,911.70x = 521,703.06 × 134,779.44
  4. Step 4: Simplify right side
    347,911.70x = 70,314,846,273.09
  5. Step 5: Solve for x
    x = 70,314,846,273.09/347,911.70
  6. Step 6: Final answer
    x = 202,105.44

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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.