Home / 332,078.10-498,485.91-172,111.20

Finding the Fourth Proportional to 332,078.10, 498,485.91 and 172,111.20

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Solution

The fourth proportional to 332,078.10, 498,485.91 and 172,111.20 is: 258,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,078.10 : 498,485.91 = 172,111.20 : x
  2. Step 2: Convert to fraction form
    332,078.10/498,485.91 = 172,111.20/x
  3. Step 3: Cross multiply
    332,078.10x = 498,485.91 × 172,111.20
  4. Step 4: Simplify right side
    332,078.10x = 85,795,008,153.19
  5. Step 5: Solve for x
    x = 85,795,008,153.19/332,078.10
  6. Step 6: Final answer
    x = 258,357.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.