Home / 434,860.56-652,513.50-198,172.80

Finding the Fourth Proportional to 434,860.56, 652,513.50 and 198,172.80

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Solution

The fourth proportional to 434,860.56, 652,513.50 and 198,172.80 is: 297,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,860.56 : 652,513.50 = 198,172.80 : x
  2. Step 2: Convert to fraction form
    434,860.56/652,513.50 = 198,172.80/x
  3. Step 3: Cross multiply
    434,860.56x = 652,513.50 × 198,172.80
  4. Step 4: Simplify right side
    434,860.56x = 129,310,427,332.80
  5. Step 5: Solve for x
    x = 129,310,427,332.80/434,860.56
  6. Step 6: Final answer
    x = 297,360.67

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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.