Home / 326,966.16-490,184.56-102,210.88

Finding the Fourth Proportional to 326,966.16, 490,184.56 and 102,210.88

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Solution

The fourth proportional to 326,966.16, 490,184.56 and 102,210.88 is: 153,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,966.16 : 490,184.56 = 102,210.88 : x
  2. Step 2: Convert to fraction form
    326,966.16/490,184.56 = 102,210.88/x
  3. Step 3: Cross multiply
    326,966.16x = 490,184.56 × 102,210.88
  4. Step 4: Simplify right side
    326,966.16x = 50,102,195,240.01
  5. Step 5: Solve for x
    x = 50,102,195,240.01/326,966.16
  6. Step 6: Final answer
    x = 153,233.58

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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.