Home / 314,819.88-434,440.32-171,577.08

Finding the Fourth Proportional to 314,819.88, 434,440.32 and 171,577.08

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Solution

The fourth proportional to 314,819.88, 434,440.32 and 171,577.08 is: 236,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,819.88 : 434,440.32 = 171,577.08 : x
  2. Step 2: Convert to fraction form
    314,819.88/434,440.32 = 171,577.08/x
  3. Step 3: Cross multiply
    314,819.88x = 434,440.32 × 171,577.08
  4. Step 4: Simplify right side
    314,819.88x = 74,540,001,539.87
  5. Step 5: Solve for x
    x = 74,540,001,539.87/314,819.88
  6. Step 6: Final answer
    x = 236,770.31

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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.