Home / 202,485.28-279,428.02-110,604.64

Finding the Fourth Proportional to 202,485.28, 279,428.02 and 110,604.64

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Solution

The fourth proportional to 202,485.28, 279,428.02 and 110,604.64 is: 152,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,485.28 : 279,428.02 = 110,604.64 : x
  2. Step 2: Convert to fraction form
    202,485.28/279,428.02 = 110,604.64/x
  3. Step 3: Cross multiply
    202,485.28x = 279,428.02 × 110,604.64
  4. Step 4: Simplify right side
    202,485.28x = 30,906,035,558.01
  5. Step 5: Solve for x
    x = 30,906,035,558.01/202,485.28
  6. Step 6: Final answer
    x = 152,633.49

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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.