Home / 239,005.26-358,448.37-72,790.86

Finding the Fourth Proportional to 239,005.26, 358,448.37 and 72,790.86

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Solution

The fourth proportional to 239,005.26, 358,448.37 and 72,790.86 is: 109,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,005.26 : 358,448.37 = 72,790.86 : x
  2. Step 2: Convert to fraction form
    239,005.26/358,448.37 = 72,790.86/x
  3. Step 3: Cross multiply
    239,005.26x = 358,448.37 × 72,790.86
  4. Step 4: Simplify right side
    239,005.26x = 26,091,765,117.90
  5. Step 5: Solve for x
    x = 26,091,765,117.90/239,005.26
  6. Step 6: Final answer
    x = 109,168.16

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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.