Home / 670,100.59-1,005,299.12-220,803.31

Finding the Fourth Proportional to 670,100.59, 1,005,299.12 and 220,803.31

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Solution

The fourth proportional to 670,100.59, 1,005,299.12 and 220,803.31 is: 331,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,100.59 : 1,005,299.12 = 220,803.31 : x
  2. Step 2: Convert to fraction form
    670,100.59/1,005,299.12 = 220,803.31/x
  3. Step 3: Cross multiply
    670,100.59x = 1,005,299.12 × 220,803.31
  4. Step 4: Simplify right side
    670,100.59x = 221,973,373,236.09
  5. Step 5: Solve for x
    x = 221,973,373,236.09/670,100.59
  6. Step 6: Final answer
    x = 331,253.81

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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.