Home / 343,966.92-515,968.32-104,074.74

Finding the Fourth Proportional to 343,966.92, 515,968.32 and 104,074.74

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Solution

The fourth proportional to 343,966.92, 515,968.32 and 104,074.74 is: 156,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,966.92 : 515,968.32 = 104,074.74 : x
  2. Step 2: Convert to fraction form
    343,966.92/515,968.32 = 104,074.74/x
  3. Step 3: Cross multiply
    343,966.92x = 515,968.32 × 104,074.74
  4. Step 4: Simplify right side
    343,966.92x = 53,699,268,752.24
  5. Step 5: Solve for x
    x = 53,699,268,752.24/343,966.92
  6. Step 6: Final answer
    x = 156,117.54

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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.