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Finding the Fourth Proportional to 288,055.44, 397,516.79 and 160,731.02

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Solution

The fourth proportional to 288,055.44, 397,516.79 and 160,731.02 is: 221,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,055.44 : 397,516.79 = 160,731.02 : x
  2. Step 2: Convert to fraction form
    288,055.44/397,516.79 = 160,731.02/x
  3. Step 3: Cross multiply
    288,055.44x = 397,516.79 × 160,731.02
  4. Step 4: Simplify right side
    288,055.44x = 63,893,280,519.45
  5. Step 5: Solve for x
    x = 63,893,280,519.45/288,055.44
  6. Step 6: Final answer
    x = 221,808.97

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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.