Home / 270,400.14-405,569.23-70,739.80

Finding the Fourth Proportional to 270,400.14, 405,569.23 and 70,739.80

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Solution

The fourth proportional to 270,400.14, 405,569.23 and 70,739.80 is: 106,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,400.14 : 405,569.23 = 70,739.80 : x
  2. Step 2: Convert to fraction form
    270,400.14/405,569.23 = 70,739.80/x
  3. Step 3: Cross multiply
    270,400.14x = 405,569.23 × 70,739.80
  4. Step 4: Simplify right side
    270,400.14x = 28,689,885,025.58
  5. Step 5: Solve for x
    x = 28,689,885,025.58/270,400.14
  6. Step 6: Final answer
    x = 106,101.59

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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.