Home / 309,837.42-427,523.40-182,538.36

Finding the Fourth Proportional to 309,837.42, 427,523.40 and 182,538.36

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Solution

The fourth proportional to 309,837.42, 427,523.40 and 182,538.36 is: 251,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,837.42 : 427,523.40 = 182,538.36 : x
  2. Step 2: Convert to fraction form
    309,837.42/427,523.40 = 182,538.36/x
  3. Step 3: Cross multiply
    309,837.42x = 427,523.40 × 182,538.36
  4. Step 4: Simplify right side
    309,837.42x = 78,039,420,297.62
  5. Step 5: Solve for x
    x = 78,039,420,297.62/309,837.42
  6. Step 6: Final answer
    x = 251,872.16

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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.