Home / 248,869.60-343,438.32-141,431.20

Finding the Fourth Proportional to 248,869.60, 343,438.32 and 141,431.20

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Solution

The fourth proportional to 248,869.60, 343,438.32 and 141,431.20 is: 195,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,869.60 : 343,438.32 = 141,431.20 : x
  2. Step 2: Convert to fraction form
    248,869.60/343,438.32 = 141,431.20/x
  3. Step 3: Cross multiply
    248,869.60x = 343,438.32 × 141,431.20
  4. Step 4: Simplify right side
    248,869.60x = 48,572,893,723.58
  5. Step 5: Solve for x
    x = 48,572,893,723.58/248,869.60
  6. Step 6: Final answer
    x = 195,174.07

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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.