Home / 248,778.96-343,311.48-135,602.16

Finding the Fourth Proportional to 248,778.96, 343,311.48 and 135,602.16

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Solution

The fourth proportional to 248,778.96, 343,311.48 and 135,602.16 is: 187,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,778.96 : 343,311.48 = 135,602.16 : x
  2. Step 2: Convert to fraction form
    248,778.96/343,311.48 = 135,602.16/x
  3. Step 3: Cross multiply
    248,778.96x = 343,311.48 × 135,602.16
  4. Step 4: Simplify right side
    248,778.96x = 46,553,778,240.80
  5. Step 5: Solve for x
    x = 46,553,778,240.80/248,778.96
  6. Step 6: Final answer
    x = 187,129.08

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1.5x scale

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.