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Finding the Fourth Proportional to 201,349.80, 302,680.80 and 142,592.40

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Solution

The fourth proportional to 201,349.80, 302,680.80 and 142,592.40 is: 214,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,349.80 : 302,680.80 = 142,592.40 : x
  2. Step 2: Convert to fraction form
    201,349.80/302,680.80 = 142,592.40/x
  3. Step 3: Cross multiply
    201,349.80x = 302,680.80 × 142,592.40
  4. Step 4: Simplify right side
    201,349.80x = 43,159,981,705.92
  5. Step 5: Solve for x
    x = 43,159,981,705.92/201,349.80
  6. Step 6: Final answer
    x = 214,353.24

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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.