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Finding the Fourth Proportional to 201,951.60, 302,927.40 and 102,418.80

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Solution

The fourth proportional to 201,951.60, 302,927.40 and 102,418.80 is: 153,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,951.60 : 302,927.40 = 102,418.80 : x
  2. Step 2: Convert to fraction form
    201,951.60/302,927.40 = 102,418.80/x
  3. Step 3: Cross multiply
    201,951.60x = 302,927.40 × 102,418.80
  4. Step 4: Simplify right side
    201,951.60x = 31,025,460,795.12
  5. Step 5: Solve for x
    x = 31,025,460,795.12/201,951.60
  6. Step 6: Final answer
    x = 153,628.20

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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.