Home / 220,715.48-304,651.62-144,245.72

Finding the Fourth Proportional to 220,715.48, 304,651.62 and 144,245.72

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Solution

The fourth proportional to 220,715.48, 304,651.62 and 144,245.72 is: 199,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,715.48 : 304,651.62 = 144,245.72 : x
  2. Step 2: Convert to fraction form
    220,715.48/304,651.62 = 144,245.72/x
  3. Step 3: Cross multiply
    220,715.48x = 304,651.62 × 144,245.72
  4. Step 4: Simplify right side
    220,715.48x = 43,944,692,276.07
  5. Step 5: Solve for x
    x = 43,944,692,276.07/220,715.48
  6. Step 6: Final answer
    x = 199,101.09

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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.