Home / 218,908.20-328,362.30-140,176.20

Finding the Fourth Proportional to 218,908.20, 328,362.30 and 140,176.20

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Solution

The fourth proportional to 218,908.20, 328,362.30 and 140,176.20 is: 210,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,908.20 : 328,362.30 = 140,176.20 : x
  2. Step 2: Convert to fraction form
    218,908.20/328,362.30 = 140,176.20/x
  3. Step 3: Cross multiply
    218,908.20x = 328,362.30 × 140,176.20
  4. Step 4: Simplify right side
    218,908.20x = 46,028,579,437.26
  5. Step 5: Solve for x
    x = 46,028,579,437.26/218,908.20
  6. Step 6: Final answer
    x = 210,264.30

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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.