Home / 275,811.29-380,650.47-166,975.62

Finding the Fourth Proportional to 275,811.29, 380,650.47 and 166,975.62

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Solution

The fourth proportional to 275,811.29, 380,650.47 and 166,975.62 is: 230,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,811.29 : 380,650.47 = 166,975.62 : x
  2. Step 2: Convert to fraction form
    275,811.29/380,650.47 = 166,975.62/x
  3. Step 3: Cross multiply
    275,811.29x = 380,650.47 × 166,975.62
  4. Step 4: Simplify right side
    275,811.29x = 63,559,346,328.29
  5. Step 5: Solve for x
    x = 63,559,346,328.29/275,811.29
  6. Step 6: Final answer
    x = 230,445.05

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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.