Home / 339,056.20-508,001.10-220,666.60

Finding the Fourth Proportional to 339,056.20, 508,001.10 and 220,666.60

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Solution

The fourth proportional to 339,056.20, 508,001.10 and 220,666.60 is: 330,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,056.20 : 508,001.10 = 220,666.60 : x
  2. Step 2: Convert to fraction form
    339,056.20/508,001.10 = 220,666.60/x
  3. Step 3: Cross multiply
    339,056.20x = 508,001.10 × 220,666.60
  4. Step 4: Simplify right side
    339,056.20x = 112,098,875,533.26
  5. Step 5: Solve for x
    x = 112,098,875,533.26/339,056.20
  6. Step 6: Final answer
    x = 330,620.34

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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.