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Finding the Fourth Proportional to 288,323.74, 397,885.18 and 159,271.09

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Solution

The fourth proportional to 288,323.74, 397,885.18 and 159,271.09 is: 219,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,323.74 : 397,885.18 = 159,271.09 : x
  2. Step 2: Convert to fraction form
    288,323.74/397,885.18 = 159,271.09/x
  3. Step 3: Cross multiply
    288,323.74x = 397,885.18 × 159,271.09
  4. Step 4: Simplify right side
    288,323.74x = 63,371,608,212.91
  5. Step 5: Solve for x
    x = 63,371,608,212.91/288,323.74
  6. Step 6: Final answer
    x = 219,793.24

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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.