Home / 326,962.16-490,178.56-102,206.88

Finding the Fourth Proportional to 326,962.16, 490,178.56 and 102,206.88

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Solution

The fourth proportional to 326,962.16, 490,178.56 and 102,206.88 is: 153,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,962.16 : 490,178.56 = 102,206.88 : x
  2. Step 2: Convert to fraction form
    326,962.16/490,178.56 = 102,206.88/x
  3. Step 3: Cross multiply
    326,962.16x = 490,178.56 × 102,206.88
  4. Step 4: Simplify right side
    326,962.16x = 50,099,621,260.49
  5. Step 5: Solve for x
    x = 50,099,621,260.49/326,962.16
  6. Step 6: Final answer
    x = 153,227.58

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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.