Home / 414,828.40-621,805.20-162,011.20

Finding the Fourth Proportional to 414,828.40, 621,805.20 and 162,011.20

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Solution

The fourth proportional to 414,828.40, 621,805.20 and 162,011.20 is: 242,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,828.40 : 621,805.20 = 162,011.20 : x
  2. Step 2: Convert to fraction form
    414,828.40/621,805.20 = 162,011.20/x
  3. Step 3: Cross multiply
    414,828.40x = 621,805.20 × 162,011.20
  4. Step 4: Simplify right side
    414,828.40x = 100,739,406,618.24
  5. Step 5: Solve for x
    x = 100,739,406,618.24/414,828.40
  6. Step 6: Final answer
    x = 242,845.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.