Home / 427,212.06-589,467.30-236,188.50

Finding the Fourth Proportional to 427,212.06, 589,467.30 and 236,188.50

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Solution

The fourth proportional to 427,212.06, 589,467.30 and 236,188.50 is: 325,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,212.06 : 589,467.30 = 236,188.50 : x
  2. Step 2: Convert to fraction form
    427,212.06/589,467.30 = 236,188.50/x
  3. Step 3: Cross multiply
    427,212.06x = 589,467.30 × 236,188.50
  4. Step 4: Simplify right side
    427,212.06x = 139,225,397,386.05
  5. Step 5: Solve for x
    x = 139,225,397,386.05/427,212.06
  6. Step 6: Final answer
    x = 325,892.95

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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.