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Finding the Fourth Proportional to 363,741.74, 501,988.83 and 220,507.82

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Solution

The fourth proportional to 363,741.74, 501,988.83 and 220,507.82 is: 304,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,741.74 : 501,988.83 = 220,507.82 : x
  2. Step 2: Convert to fraction form
    363,741.74/501,988.83 = 220,507.82/x
  3. Step 3: Cross multiply
    363,741.74x = 501,988.83 × 220,507.82
  4. Step 4: Simplify right side
    363,741.74x = 110,692,462,567.65
  5. Step 5: Solve for x
    x = 110,692,462,567.65/363,741.74
  6. Step 6: Final answer
    x = 304,316.09

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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.