Home / 298,926.81-447,923.12-187,885.53

Finding the Fourth Proportional to 298,926.81, 447,923.12 and 187,885.53

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Solution

The fourth proportional to 298,926.81, 447,923.12 and 187,885.53 is: 281,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,926.81 : 447,923.12 = 187,885.53 : x
  2. Step 2: Convert to fraction form
    298,926.81/447,923.12 = 187,885.53/x
  3. Step 3: Cross multiply
    298,926.81x = 447,923.12 × 187,885.53
  4. Step 4: Simplify right side
    298,926.81x = 84,158,271,861.03
  5. Step 5: Solve for x
    x = 84,158,271,861.03/298,926.81
  6. Step 6: Final answer
    x = 281,534.71

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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.