Home / 240,284.21-360,478.04-71,818.25

Finding the Fourth Proportional to 240,284.21, 360,478.04 and 71,818.25

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Solution

The fourth proportional to 240,284.21, 360,478.04 and 71,818.25 is: 107,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,284.21 : 360,478.04 = 71,818.25 : x
  2. Step 2: Convert to fraction form
    240,284.21/360,478.04 = 71,818.25/x
  3. Step 3: Cross multiply
    240,284.21x = 360,478.04 × 71,818.25
  4. Step 4: Simplify right side
    240,284.21x = 25,888,899,834.75
  5. Step 5: Solve for x
    x = 25,888,899,834.75/240,284.21
  6. Step 6: Final answer
    x = 107,742.83

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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.