Home / 210,724.60-315,309.30-192,062.20

Finding the Fourth Proportional to 210,724.60, 315,309.30 and 192,062.20

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Solution

The fourth proportional to 210,724.60, 315,309.30 and 192,062.20 is: 287,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,724.60 : 315,309.30 = 192,062.20 : x
  2. Step 2: Convert to fraction form
    210,724.60/315,309.30 = 192,062.20/x
  3. Step 3: Cross multiply
    210,724.60x = 315,309.30 × 192,062.20
  4. Step 4: Simplify right side
    210,724.60x = 60,558,997,838.46
  5. Step 5: Solve for x
    x = 60,558,997,838.46/210,724.60
  6. Step 6: Final answer
    x = 287,384.57

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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.