Home / 210,012.46-315,019.83-52,240.93

Finding the Fourth Proportional to 210,012.46, 315,019.83 and 52,240.93

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Solution

The fourth proportional to 210,012.46, 315,019.83 and 52,240.93 is: 78,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,012.46 : 315,019.83 = 52,240.93 : x
  2. Step 2: Convert to fraction form
    210,012.46/315,019.83 = 52,240.93/x
  3. Step 3: Cross multiply
    210,012.46x = 315,019.83 × 52,240.93
  4. Step 4: Simplify right side
    210,012.46x = 16,456,928,626.44
  5. Step 5: Solve for x
    x = 16,456,928,626.44/210,012.46
  6. Step 6: Final answer
    x = 78,361.68

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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.