Home / 204,328.40-306,492.60-147,903.80

Finding the Fourth Proportional to 204,328.40, 306,492.60 and 147,903.80

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Solution

The fourth proportional to 204,328.40, 306,492.60 and 147,903.80 is: 221,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,328.40 : 306,492.60 = 147,903.80 : x
  2. Step 2: Convert to fraction form
    204,328.40/306,492.60 = 147,903.80/x
  3. Step 3: Cross multiply
    204,328.40x = 306,492.60 × 147,903.80
  4. Step 4: Simplify right side
    204,328.40x = 45,331,420,211.88
  5. Step 5: Solve for x
    x = 45,331,420,211.88/204,328.40
  6. Step 6: Final answer
    x = 221,855.70

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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.