Home / 646,029.08-968,969.81-172,751.35

Finding the Fourth Proportional to 646,029.08, 968,969.81 and 172,751.35

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Solution

The fourth proportional to 646,029.08, 968,969.81 and 172,751.35 is: 259,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,029.08 : 968,969.81 = 172,751.35 : x
  2. Step 2: Convert to fraction form
    646,029.08/968,969.81 = 172,751.35/x
  3. Step 3: Cross multiply
    646,029.08x = 968,969.81 × 172,751.35
  4. Step 4: Simplify right side
    646,029.08x = 167,390,837,078.14
  5. Step 5: Solve for x
    x = 167,390,837,078.14/646,029.08
  6. Step 6: Final answer
    x = 259,107.28

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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.