Home / 220,258.20-304,004.70-144,813.72

Finding the Fourth Proportional to 220,258.20, 304,004.70 and 144,813.72

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Solution

The fourth proportional to 220,258.20, 304,004.70 and 144,813.72 is: 199,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,258.20 : 304,004.70 = 144,813.72 : x
  2. Step 2: Convert to fraction form
    220,258.20/304,004.70 = 144,813.72/x
  3. Step 3: Cross multiply
    220,258.20x = 304,004.70 × 144,813.72
  4. Step 4: Simplify right side
    220,258.20x = 44,024,051,504.48
  5. Step 5: Solve for x
    x = 44,024,051,504.48/220,258.20
  6. Step 6: Final answer
    x = 199,874.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.