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Finding the Fourth Proportional to 313,613.82, 468,050.73 and 283,346.67

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Solution

The fourth proportional to 313,613.82, 468,050.73 and 283,346.67 is: 422,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,613.82 : 468,050.73 = 283,346.67 : x
  2. Step 2: Convert to fraction form
    313,613.82/468,050.73 = 283,346.67/x
  3. Step 3: Cross multiply
    313,613.82x = 468,050.73 × 283,346.67
  4. Step 4: Simplify right side
    313,613.82x = 132,620,615,736.57
  5. Step 5: Solve for x
    x = 132,620,615,736.57/313,613.82
  6. Step 6: Final answer
    x = 422,878.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.