Home / 427,313.88-589,689.72-236,322.36

Finding the Fourth Proportional to 427,313.88, 589,689.72 and 236,322.36

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Solution

The fourth proportional to 427,313.88, 589,689.72 and 236,322.36 is: 326,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,313.88 : 589,689.72 = 236,322.36 : x
  2. Step 2: Convert to fraction form
    427,313.88/589,689.72 = 236,322.36/x
  3. Step 3: Cross multiply
    427,313.88x = 589,689.72 × 236,322.36
  4. Step 4: Simplify right side
    427,313.88x = 139,356,866,298.14
  5. Step 5: Solve for x
    x = 139,356,866,298.14/427,313.88
  6. Step 6: Final answer
    x = 326,122.96

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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.