Home / 278,382.22-384,157.18-151,055.08

Finding the Fourth Proportional to 278,382.22, 384,157.18 and 151,055.08

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Solution

The fourth proportional to 278,382.22, 384,157.18 and 151,055.08 is: 208,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,382.22 : 384,157.18 = 151,055.08 : x
  2. Step 2: Convert to fraction form
    278,382.22/384,157.18 = 151,055.08/x
  3. Step 3: Cross multiply
    278,382.22x = 384,157.18 × 151,055.08
  4. Step 4: Simplify right side
    278,382.22x = 58,028,892,785.90
  5. Step 5: Solve for x
    x = 58,028,892,785.90/278,382.22
  6. Step 6: Final answer
    x = 208,450.43

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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.