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Finding the Fourth Proportional to 367,823, 548,515.68 and 364,459.80

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Solution

The fourth proportional to 367,823, 548,515.68 and 364,459.80 is: 543,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,823 : 548,515.68 = 364,459.80 : x
  2. Step 2: Convert to fraction form
    367,823/548,515.68 = 364,459.80/x
  3. Step 3: Cross multiply
    367,823x = 548,515.68 × 364,459.80
  4. Step 4: Simplify right side
    367,823x = 199,911,915,029.66
  5. Step 5: Solve for x
    x = 199,911,915,029.66/367,823
  6. Step 6: Final answer
    x = 543,500.31

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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.