Home / 279,527.04-385,834.37-158,748.75

Finding the Fourth Proportional to 279,527.04, 385,834.37 and 158,748.75

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Solution

The fourth proportional to 279,527.04, 385,834.37 and 158,748.75 is: 219,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,527.04 : 385,834.37 = 158,748.75 : x
  2. Step 2: Convert to fraction form
    279,527.04/385,834.37 = 158,748.75/x
  3. Step 3: Cross multiply
    279,527.04x = 385,834.37 × 158,748.75
  4. Step 4: Simplify right side
    279,527.04x = 61,250,723,150.79
  5. Step 5: Solve for x
    x = 61,250,723,150.79/279,527.04
  6. Step 6: Final answer
    x = 219,122.71

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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.