Home / 318,635.27-477,883.50-105,352.80

Finding the Fourth Proportional to 318,635.27, 477,883.50 and 105,352.80

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Solution

The fourth proportional to 318,635.27, 477,883.50 and 105,352.80 is: 158,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,635.27 : 477,883.50 = 105,352.80 : x
  2. Step 2: Convert to fraction form
    318,635.27/477,883.50 = 105,352.80/x
  3. Step 3: Cross multiply
    318,635.27x = 477,883.50 × 105,352.80
  4. Step 4: Simplify right side
    318,635.27x = 50,346,365,299.76
  5. Step 5: Solve for x
    x = 50,346,365,299.76/318,635.27
  6. Step 6: Final answer
    x = 158,006.25

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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.