Home / 288,417.24-398,013.60-167,629.32

Finding the Fourth Proportional to 288,417.24, 398,013.60 and 167,629.32

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Solution

The fourth proportional to 288,417.24, 398,013.60 and 167,629.32 is: 231,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,417.24 : 398,013.60 = 167,629.32 : x
  2. Step 2: Convert to fraction form
    288,417.24/398,013.60 = 167,629.32/x
  3. Step 3: Cross multiply
    288,417.24x = 398,013.60 × 167,629.32
  4. Step 4: Simplify right side
    288,417.24x = 66,718,749,118.75
  5. Step 5: Solve for x
    x = 66,718,749,118.75/288,417.24
  6. Step 6: Final answer
    x = 231,327.19

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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.