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Finding the Fourth Proportional to 202,218.60, 303,522.30 and 102,491.40

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Solution

The fourth proportional to 202,218.60, 303,522.30 and 102,491.40 is: 153,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,218.60 : 303,522.30 = 102,491.40 : x
  2. Step 2: Convert to fraction form
    202,218.60/303,522.30 = 102,491.40/x
  3. Step 3: Cross multiply
    202,218.60x = 303,522.30 × 102,491.40
  4. Step 4: Simplify right side
    202,218.60x = 31,108,425,458.22
  5. Step 5: Solve for x
    x = 31,108,425,458.22/202,218.60
  6. Step 6: Final answer
    x = 153,835.63

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1.5x scale

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.