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Finding the Fourth Proportional to 201,653.27, 302,456.87 and 53,920.79

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Solution

The fourth proportional to 201,653.27, 302,456.87 and 53,920.79 is: 80,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,653.27 : 302,456.87 = 53,920.79 : x
  2. Step 2: Convert to fraction form
    201,653.27/302,456.87 = 53,920.79/x
  3. Step 3: Cross multiply
    201,653.27x = 302,456.87 × 53,920.79
  4. Step 4: Simplify right side
    201,653.27x = 16,308,713,101.72
  5. Step 5: Solve for x
    x = 16,308,713,101.72/201,653.27
  6. Step 6: Final answer
    x = 80,875.02

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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.