Home / 210,312.92-315,150.23-154,190.41

Finding the Fourth Proportional to 210,312.92, 315,150.23 and 154,190.41

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Solution

The fourth proportional to 210,312.92, 315,150.23 and 154,190.41 is: 231,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,312.92 : 315,150.23 = 154,190.41 : x
  2. Step 2: Convert to fraction form
    210,312.92/315,150.23 = 154,190.41/x
  3. Step 3: Cross multiply
    210,312.92x = 315,150.23 × 154,190.41
  4. Step 4: Simplify right side
    210,312.92x = 48,593,142,772.89
  5. Step 5: Solve for x
    x = 48,593,142,772.89/210,312.92
  6. Step 6: Final answer
    x = 231,051.63

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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.