Home / 220,515.21-304,182.54-160,015.50

Finding the Fourth Proportional to 220,515.21, 304,182.54 and 160,015.50

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Solution

The fourth proportional to 220,515.21, 304,182.54 and 160,015.50 is: 220,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,515.21 : 304,182.54 = 160,015.50 : x
  2. Step 2: Convert to fraction form
    220,515.21/304,182.54 = 160,015.50/x
  3. Step 3: Cross multiply
    220,515.21x = 304,182.54 × 160,015.50
  4. Step 4: Simplify right side
    220,515.21x = 48,673,921,229.37
  5. Step 5: Solve for x
    x = 48,673,921,229.37/220,515.21
  6. Step 6: Final answer
    x = 220,728.18

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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.