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Finding the Fourth Proportional to 344,010.20, 515,237.70 and 204,042.20

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Solution

The fourth proportional to 344,010.20, 515,237.70 and 204,042.20 is: 305,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,010.20 : 515,237.70 = 204,042.20 : x
  2. Step 2: Convert to fraction form
    344,010.20/515,237.70 = 204,042.20/x
  3. Step 3: Cross multiply
    344,010.20x = 515,237.70 × 204,042.20
  4. Step 4: Simplify right side
    344,010.20x = 105,130,233,830.94
  5. Step 5: Solve for x
    x = 105,130,233,830.94/344,010.20
  6. Step 6: Final answer
    x = 305,602.08

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1.5x scale

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.