Home / 379,099.02-523,184.20-218,004.60

Finding the Fourth Proportional to 379,099.02, 523,184.20 and 218,004.60

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Solution

The fourth proportional to 379,099.02, 523,184.20 and 218,004.60 is: 300,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,099.02 : 523,184.20 = 218,004.60 : x
  2. Step 2: Convert to fraction form
    379,099.02/523,184.20 = 218,004.60/x
  3. Step 3: Cross multiply
    379,099.02x = 523,184.20 × 218,004.60
  4. Step 4: Simplify right side
    379,099.02x = 114,056,562,247.32
  5. Step 5: Solve for x
    x = 114,056,562,247.32/379,099.02
  6. Step 6: Final answer
    x = 300,862.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.