Home / 210,004.20-315,006.30-60,231.15

Finding the Fourth Proportional to 210,004.20, 315,006.30 and 60,231.15

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Solution

The fourth proportional to 210,004.20, 315,006.30 and 60,231.15 is: 90,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004.20 : 315,006.30 = 60,231.15 : x
  2. Step 2: Convert to fraction form
    210,004.20/315,006.30 = 60,231.15/x
  3. Step 3: Cross multiply
    210,004.20x = 315,006.30 × 60,231.15
  4. Step 4: Simplify right side
    210,004.20x = 18,973,191,706.25
  5. Step 5: Solve for x
    x = 18,973,191,706.25/210,004.20
  6. Step 6: Final answer
    x = 90,346.73

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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.