Home / 401,912.07-554,608.18-220,595.19

Finding the Fourth Proportional to 401,912.07, 554,608.18 and 220,595.19

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Solution

The fourth proportional to 401,912.07, 554,608.18 and 220,595.19 is: 304,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,912.07 : 554,608.18 = 220,595.19 : x
  2. Step 2: Convert to fraction form
    401,912.07/554,608.18 = 220,595.19/x
  3. Step 3: Cross multiply
    401,912.07x = 554,608.18 × 220,595.19
  4. Step 4: Simplify right side
    401,912.07x = 122,343,896,842.65
  5. Step 5: Solve for x
    x = 122,343,896,842.65/401,912.07
  6. Step 6: Final answer
    x = 304,404.63

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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.