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Finding the Fourth Proportional to 201,713.60, 302,570.40 and 130,854.80

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Solution

The fourth proportional to 201,713.60, 302,570.40 and 130,854.80 is: 196,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,713.60 : 302,570.40 = 130,854.80 : x
  2. Step 2: Convert to fraction form
    201,713.60/302,570.40 = 130,854.80/x
  3. Step 3: Cross multiply
    201,713.60x = 302,570.40 × 130,854.80
  4. Step 4: Simplify right side
    201,713.60x = 39,592,789,177.92
  5. Step 5: Solve for x
    x = 39,592,789,177.92/201,713.60
  6. Step 6: Final answer
    x = 196,282.20

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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.