Home / 288,790.34-398,533.23-161,466.03

Finding the Fourth Proportional to 288,790.34, 398,533.23 and 161,466.03

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Solution

The fourth proportional to 288,790.34, 398,533.23 and 161,466.03 is: 222,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,790.34 : 398,533.23 = 161,466.03 : x
  2. Step 2: Convert to fraction form
    288,790.34/398,533.23 = 161,466.03/x
  3. Step 3: Cross multiply
    288,790.34x = 398,533.23 × 161,466.03
  4. Step 4: Simplify right side
    288,790.34x = 64,349,578,471.18
  5. Step 5: Solve for x
    x = 64,349,578,471.18/288,790.34
  6. Step 6: Final answer
    x = 222,824.56

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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.