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Finding the Fourth Proportional to 201,604.70, 302,407.05 and 103,300.70

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Solution

The fourth proportional to 201,604.70, 302,407.05 and 103,300.70 is: 154,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,604.70 : 302,407.05 = 103,300.70 : x
  2. Step 2: Convert to fraction form
    201,604.70/302,407.05 = 103,300.70/x
  3. Step 3: Cross multiply
    201,604.70x = 302,407.05 × 103,300.70
  4. Step 4: Simplify right side
    201,604.70x = 31,238,859,949.94
  5. Step 5: Solve for x
    x = 31,238,859,949.94/201,604.70
  6. Step 6: Final answer
    x = 154,951.05

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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.