Home / 304,917.66-420,780.96-168,948.90

Finding the Fourth Proportional to 304,917.66, 420,780.96 and 168,948.90

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Solution

The fourth proportional to 304,917.66, 420,780.96 and 168,948.90 is: 233,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,917.66 : 420,780.96 = 168,948.90 : x
  2. Step 2: Convert to fraction form
    304,917.66/420,780.96 = 168,948.90/x
  3. Step 3: Cross multiply
    304,917.66x = 420,780.96 × 168,948.90
  4. Step 4: Simplify right side
    304,917.66x = 71,090,480,332.94
  5. Step 5: Solve for x
    x = 71,090,480,332.94/304,917.66
  6. Step 6: Final answer
    x = 233,146.48

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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.