Home / 219,868.20-329,802.30-206,746.20

Finding the Fourth Proportional to 219,868.20, 329,802.30 and 206,746.20

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Solution

The fourth proportional to 219,868.20, 329,802.30 and 206,746.20 is: 310,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,868.20 : 329,802.30 = 206,746.20 : x
  2. Step 2: Convert to fraction form
    219,868.20/329,802.30 = 206,746.20/x
  3. Step 3: Cross multiply
    219,868.20x = 329,802.30 × 206,746.20
  4. Step 4: Simplify right side
    219,868.20x = 68,185,372,276.26
  5. Step 5: Solve for x
    x = 68,185,372,276.26/219,868.20
  6. Step 6: Final answer
    x = 310,119.30

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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.