Home / 551,619.32-827,437.30-210,081.65

Finding the Fourth Proportional to 551,619.32, 827,437.30 and 210,081.65

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Solution

The fourth proportional to 551,619.32, 827,437.30 and 210,081.65 is: 315,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,619.32 : 827,437.30 = 210,081.65 : x
  2. Step 2: Convert to fraction form
    551,619.32/827,437.30 = 210,081.65/x
  3. Step 3: Cross multiply
    551,619.32x = 827,437.30 × 210,081.65
  4. Step 4: Simplify right side
    551,619.32x = 173,829,394,417.12
  5. Step 5: Solve for x
    x = 173,829,394,417.12/551,619.32
  6. Step 6: Final answer
    x = 315,125.65

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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.