Home / 210,727.10-315,313.05-192,064.70

Finding the Fourth Proportional to 210,727.10, 315,313.05 and 192,064.70

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Solution

The fourth proportional to 210,727.10, 315,313.05 and 192,064.70 is: 287,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,727.10 : 315,313.05 = 192,064.70 : x
  2. Step 2: Convert to fraction form
    210,727.10/315,313.05 = 192,064.70/x
  3. Step 3: Cross multiply
    210,727.10x = 315,313.05 × 192,064.70
  4. Step 4: Simplify right side
    210,727.10x = 60,560,506,354.34
  5. Step 5: Solve for x
    x = 60,560,506,354.34/210,727.10
  6. Step 6: Final answer
    x = 287,388.32

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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.