Home / 304,905.60-420,769.92-167,083.92

Finding the Fourth Proportional to 304,905.60, 420,769.92 and 167,083.92

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Solution

The fourth proportional to 304,905.60, 420,769.92 and 167,083.92 is: 230,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,905.60 : 420,769.92 = 167,083.92 : x
  2. Step 2: Convert to fraction form
    304,905.60/420,769.92 = 167,083.92/x
  3. Step 3: Cross multiply
    304,905.60x = 420,769.92 × 167,083.92
  4. Step 4: Simplify right side
    304,905.60x = 70,303,887,651.69
  5. Step 5: Solve for x
    x = 70,303,887,651.69/304,905.60
  6. Step 6: Final answer
    x = 230,575.91

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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.