Home / 314,971.43-434,662.61-171,733.86

Finding the Fourth Proportional to 314,971.43, 434,662.61 and 171,733.86

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Solution

The fourth proportional to 314,971.43, 434,662.61 and 171,733.86 is: 236,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,971.43 : 434,662.61 = 171,733.86 : x
  2. Step 2: Convert to fraction form
    314,971.43/434,662.61 = 171,733.86/x
  3. Step 3: Cross multiply
    314,971.43x = 434,662.61 × 171,733.86
  4. Step 4: Simplify right side
    314,971.43x = 74,646,286,954.31
  5. Step 5: Solve for x
    x = 74,646,286,954.31/314,971.43
  6. Step 6: Final answer
    x = 236,993.84

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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.