Home / 343,742.69-515,628.01-163,735.58

Finding the Fourth Proportional to 343,742.69, 515,628.01 and 163,735.58

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Solution

The fourth proportional to 343,742.69, 515,628.01 and 163,735.58 is: 245,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,742.69 : 515,628.01 = 163,735.58 : x
  2. Step 2: Convert to fraction form
    343,742.69/515,628.01 = 163,735.58/x
  3. Step 3: Cross multiply
    343,742.69x = 515,628.01 × 163,735.58
  4. Step 4: Simplify right side
    343,742.69x = 84,426,649,173.85
  5. Step 5: Solve for x
    x = 84,426,649,173.85/343,742.69
  6. Step 6: Final answer
    x = 245,610.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.