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Finding the Fourth Proportional to 450,478.85, 675,777.74 and 166,369.10

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Solution

The fourth proportional to 450,478.85, 675,777.74 and 166,369.10 is: 249,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,478.85 : 675,777.74 = 166,369.10 : x
  2. Step 2: Convert to fraction form
    450,478.85/675,777.74 = 166,369.10/x
  3. Step 3: Cross multiply
    450,478.85x = 675,777.74 × 166,369.10
  4. Step 4: Simplify right side
    450,478.85x = 112,428,533,571.99
  5. Step 5: Solve for x
    x = 112,428,533,571.99/450,478.85
  6. Step 6: Final answer
    x = 249,575.61

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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.