Home / 347,112.30-519,631.65-206,798.70

Finding the Fourth Proportional to 347,112.30, 519,631.65 and 206,798.70

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Solution

The fourth proportional to 347,112.30, 519,631.65 and 206,798.70 is: 309,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,112.30 : 519,631.65 = 206,798.70 : x
  2. Step 2: Convert to fraction form
    347,112.30/519,631.65 = 206,798.70/x
  3. Step 3: Cross multiply
    347,112.30x = 519,631.65 × 206,798.70
  4. Step 4: Simplify right side
    347,112.30x = 107,459,149,698.86
  5. Step 5: Solve for x
    x = 107,459,149,698.86/347,112.30
  6. Step 6: Final answer
    x = 309,580.36

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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.