Home / 427,074.30-589,346.82-245,814.12

Finding the Fourth Proportional to 427,074.30, 589,346.82 and 245,814.12

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Solution

The fourth proportional to 427,074.30, 589,346.82 and 245,814.12 is: 339,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,074.30 : 589,346.82 = 245,814.12 : x
  2. Step 2: Convert to fraction form
    427,074.30/589,346.82 = 245,814.12/x
  3. Step 3: Cross multiply
    427,074.30x = 589,346.82 × 245,814.12
  4. Step 4: Simplify right side
    427,074.30x = 144,869,769,933.10
  5. Step 5: Solve for x
    x = 144,869,769,933.10/427,074.30
  6. Step 6: Final answer
    x = 339,214.44

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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.