Home / 328,823.20-493,465.20-141,968.80

Finding the Fourth Proportional to 328,823.20, 493,465.20 and 141,968.80

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Solution

The fourth proportional to 328,823.20, 493,465.20 and 141,968.80 is: 213,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,823.20 : 493,465.20 = 141,968.80 : x
  2. Step 2: Convert to fraction form
    328,823.20/493,465.20 = 141,968.80/x
  3. Step 3: Cross multiply
    328,823.20x = 493,465.20 × 141,968.80
  4. Step 4: Simplify right side
    328,823.20x = 70,056,662,285.76
  5. Step 5: Solve for x
    x = 70,056,662,285.76/328,823.20
  6. Step 6: Final answer
    x = 213,052.67

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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.