Home / 210,132.80-315,199.20-192,929.60

Finding the Fourth Proportional to 210,132.80, 315,199.20 and 192,929.60

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Solution

The fourth proportional to 210,132.80, 315,199.20 and 192,929.60 is: 289,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,132.80 : 315,199.20 = 192,929.60 : x
  2. Step 2: Convert to fraction form
    210,132.80/315,199.20 = 192,929.60/x
  3. Step 3: Cross multiply
    210,132.80x = 315,199.20 × 192,929.60
  4. Step 4: Simplify right side
    210,132.80x = 60,811,255,576.32
  5. Step 5: Solve for x
    x = 60,811,255,576.32/210,132.80
  6. Step 6: Final answer
    x = 289,394.40

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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.