Home / 433,250.26-649,890.21-148,938.38

Finding the Fourth Proportional to 433,250.26, 649,890.21 and 148,938.38

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Solution

The fourth proportional to 433,250.26, 649,890.21 and 148,938.38 is: 223,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,250.26 : 649,890.21 = 148,938.38 : x
  2. Step 2: Convert to fraction form
    433,250.26/649,890.21 = 148,938.38/x
  3. Step 3: Cross multiply
    433,250.26x = 649,890.21 × 148,938.38
  4. Step 4: Simplify right side
    433,250.26x = 96,793,594,801.42
  5. Step 5: Solve for x
    x = 96,793,594,801.42/433,250.26
  6. Step 6: Final answer
    x = 223,412.67

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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.