Home / 289,233.20-433,667.55-120,870.65

Finding the Fourth Proportional to 289,233.20, 433,667.55 and 120,870.65

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Solution

The fourth proportional to 289,233.20, 433,667.55 and 120,870.65 is: 181,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,233.20 : 433,667.55 = 120,870.65 : x
  2. Step 2: Convert to fraction form
    289,233.20/433,667.55 = 120,870.65/x
  3. Step 3: Cross multiply
    289,233.20x = 433,667.55 × 120,870.65
  4. Step 4: Simplify right side
    289,233.20x = 52,417,678,652.41
  5. Step 5: Solve for x
    x = 52,417,678,652.41/289,233.20
  6. Step 6: Final answer
    x = 181,229.81

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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.