Home / 217,395.43-325,577.62-172,271.68

Finding the Fourth Proportional to 217,395.43, 325,577.62 and 172,271.68

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Solution

The fourth proportional to 217,395.43, 325,577.62 and 172,271.68 is: 257,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,395.43 : 325,577.62 = 172,271.68 : x
  2. Step 2: Convert to fraction form
    217,395.43/325,577.62 = 172,271.68/x
  3. Step 3: Cross multiply
    217,395.43x = 325,577.62 × 172,271.68
  4. Step 4: Simplify right side
    217,395.43x = 56,087,803,567.80
  5. Step 5: Solve for x
    x = 56,087,803,567.80/217,395.43
  6. Step 6: Final answer
    x = 257,999.00

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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.