Home / 304,680.58-420,429.85-182,148.75

Finding the Fourth Proportional to 304,680.58, 420,429.85 and 182,148.75

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Solution

The fourth proportional to 304,680.58, 420,429.85 and 182,148.75 is: 251,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,680.58 : 420,429.85 = 182,148.75 : x
  2. Step 2: Convert to fraction form
    304,680.58/420,429.85 = 182,148.75/x
  3. Step 3: Cross multiply
    304,680.58x = 420,429.85 × 182,148.75
  4. Step 4: Simplify right side
    304,680.58x = 76,580,771,640.19
  5. Step 5: Solve for x
    x = 76,580,771,640.19/304,680.58
  6. Step 6: Final answer
    x = 251,347.73

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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.