Home / 221,146.38-304,851.29-173,316.69

Finding the Fourth Proportional to 221,146.38, 304,851.29 and 173,316.69

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Solution

The fourth proportional to 221,146.38, 304,851.29 and 173,316.69 is: 238,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,146.38 : 304,851.29 = 173,316.69 : x
  2. Step 2: Convert to fraction form
    221,146.38/304,851.29 = 173,316.69/x
  3. Step 3: Cross multiply
    221,146.38x = 304,851.29 × 173,316.69
  4. Step 4: Simplify right side
    221,146.38x = 52,835,815,658.45
  5. Step 5: Solve for x
    x = 52,835,815,658.45/221,146.38
  6. Step 6: Final answer
    x = 238,917.84

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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.