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Finding the Fourth Proportional to 288,290.56, 432,256.84 and 119,928.84

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Solution

The fourth proportional to 288,290.56, 432,256.84 and 119,928.84 is: 179,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,290.56 : 432,256.84 = 119,928.84 : x
  2. Step 2: Convert to fraction form
    288,290.56/432,256.84 = 119,928.84/x
  3. Step 3: Cross multiply
    288,290.56x = 432,256.84 × 119,928.84
  4. Step 4: Simplify right side
    288,290.56x = 51,840,061,403.27
  5. Step 5: Solve for x
    x = 51,840,061,403.27/288,290.56
  6. Step 6: Final answer
    x = 179,818.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.