Home / 293,499.60-439,739.10-135,403.80

Finding the Fourth Proportional to 293,499.60, 439,739.10 and 135,403.80

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Solution

The fourth proportional to 293,499.60, 439,739.10 and 135,403.80 is: 202,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,499.60 : 439,739.10 = 135,403.80 : x
  2. Step 2: Convert to fraction form
    293,499.60/439,739.10 = 135,403.80/x
  3. Step 3: Cross multiply
    293,499.60x = 439,739.10 × 135,403.80
  4. Step 4: Simplify right side
    293,499.60x = 59,542,345,148.58
  5. Step 5: Solve for x
    x = 59,542,345,148.58/293,499.60
  6. Step 6: Final answer
    x = 202,870.28

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1.5x scale

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.