Home / 221,426.10-332,139.15-190,322.10

Finding the Fourth Proportional to 221,426.10, 332,139.15 and 190,322.10

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Solution

The fourth proportional to 221,426.10, 332,139.15 and 190,322.10 is: 285,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,426.10 : 332,139.15 = 190,322.10 : x
  2. Step 2: Convert to fraction form
    221,426.10/332,139.15 = 190,322.10/x
  3. Step 3: Cross multiply
    221,426.10x = 332,139.15 × 190,322.10
  4. Step 4: Simplify right side
    221,426.10x = 63,213,420,520.22
  5. Step 5: Solve for x
    x = 63,213,420,520.22/221,426.10
  6. Step 6: Final answer
    x = 285,483.15

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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.