Home / 309,177.22-426,873.19-193,068.08

Finding the Fourth Proportional to 309,177.22, 426,873.19 and 193,068.08

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Solution

The fourth proportional to 309,177.22, 426,873.19 and 193,068.08 is: 266,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,177.22 : 426,873.19 = 193,068.08 : x
  2. Step 2: Convert to fraction form
    309,177.22/426,873.19 = 193,068.08/x
  3. Step 3: Cross multiply
    309,177.22x = 426,873.19 × 193,068.08
  4. Step 4: Simplify right side
    309,177.22x = 82,415,584,579.74
  5. Step 5: Solve for x
    x = 82,415,584,579.74/309,177.22
  6. Step 6: Final answer
    x = 266,564.22

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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.