Home / 248,919.86-343,500.27-135,740.18

Finding the Fourth Proportional to 248,919.86, 343,500.27 and 135,740.18

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Solution

The fourth proportional to 248,919.86, 343,500.27 and 135,740.18 is: 187,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,919.86 : 343,500.27 = 135,740.18 : x
  2. Step 2: Convert to fraction form
    248,919.86/343,500.27 = 135,740.18/x
  3. Step 3: Cross multiply
    248,919.86x = 343,500.27 × 135,740.18
  4. Step 4: Simplify right side
    248,919.86x = 46,626,788,479.85
  5. Step 5: Solve for x
    x = 46,626,788,479.85/248,919.86
  6. Step 6: Final answer
    x = 187,316.47

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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.