Home / 240,147.49-360,221.23-90,421.37

Finding the Fourth Proportional to 240,147.49, 360,221.23 and 90,421.37

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Solution

The fourth proportional to 240,147.49, 360,221.23 and 90,421.37 is: 135,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,147.49 : 360,221.23 = 90,421.37 : x
  2. Step 2: Convert to fraction form
    240,147.49/360,221.23 = 90,421.37/x
  3. Step 3: Cross multiply
    240,147.49x = 360,221.23 × 90,421.37
  4. Step 4: Simplify right side
    240,147.49x = 32,571,697,119.69
  5. Step 5: Solve for x
    x = 32,571,697,119.69/240,147.49
  6. Step 6: Final answer
    x = 135,632.05

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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.