Home / 434,862.56-652,516.50-198,174.80

Finding the Fourth Proportional to 434,862.56, 652,516.50 and 198,174.80

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Solution

The fourth proportional to 434,862.56, 652,516.50 and 198,174.80 is: 297,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,862.56 : 652,516.50 = 198,174.80 : x
  2. Step 2: Convert to fraction form
    434,862.56/652,516.50 = 198,174.80/x
  3. Step 3: Cross multiply
    434,862.56x = 652,516.50 × 198,174.80
  4. Step 4: Simplify right side
    434,862.56x = 129,312,326,884.20
  5. Step 5: Solve for x
    x = 129,312,326,884.20/434,862.56
  6. Step 6: Final answer
    x = 297,363.67

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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.