Home / 427,000.20-589,250-233,399.22

Finding the Fourth Proportional to 427,000.20, 589,250 and 233,399.22

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Solution

The fourth proportional to 427,000.20, 589,250 and 233,399.22 is: 322,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,000.20 : 589,250 = 233,399.22 : x
  2. Step 2: Convert to fraction form
    427,000.20/589,250 = 233,399.22/x
  3. Step 3: Cross multiply
    427,000.20x = 589,250 × 233,399.22
  4. Step 4: Simplify right side
    427,000.20x = 137,530,490,385
  5. Step 5: Solve for x
    x = 137,530,490,385/427,000.20
  6. Step 6: Final answer
    x = 322,085.31

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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.