Home / 257,118.47-354,705.75-166,503.62

Finding the Fourth Proportional to 257,118.47, 354,705.75 and 166,503.62

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Solution

The fourth proportional to 257,118.47, 354,705.75 and 166,503.62 is: 229,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,118.47 : 354,705.75 = 166,503.62 : x
  2. Step 2: Convert to fraction form
    257,118.47/354,705.75 = 166,503.62/x
  3. Step 3: Cross multiply
    257,118.47x = 354,705.75 × 166,503.62
  4. Step 4: Simplify right side
    257,118.47x = 59,059,790,301.36
  5. Step 5: Solve for x
    x = 59,059,790,301.36/257,118.47
  6. Step 6: Final answer
    x = 229,698.75

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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.