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Finding the Fourth Proportional to 201,479.80, 302,133.30 and 101,601.40

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Solution

The fourth proportional to 201,479.80, 302,133.30 and 101,601.40 is: 152,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,479.80 : 302,133.30 = 101,601.40 : x
  2. Step 2: Convert to fraction form
    201,479.80/302,133.30 = 101,601.40/x
  3. Step 3: Cross multiply
    201,479.80x = 302,133.30 × 101,601.40
  4. Step 4: Simplify right side
    201,479.80x = 30,697,166,266.62
  5. Step 5: Solve for x
    x = 30,697,166,266.62/201,479.80
  6. Step 6: Final answer
    x = 152,358.53

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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.