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Finding the Fourth Proportional to 201,423.73, 302,073.72 and 66,462.88

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Solution

The fourth proportional to 201,423.73, 302,073.72 and 66,462.88 is: 99,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,423.73 : 302,073.72 = 66,462.88 : x
  2. Step 2: Convert to fraction form
    201,423.73/302,073.72 = 66,462.88/x
  3. Step 3: Cross multiply
    201,423.73x = 302,073.72 × 66,462.88
  4. Step 4: Simplify right side
    201,423.73x = 20,076,689,403.51
  5. Step 5: Solve for x
    x = 20,076,689,403.51/201,423.73
  6. Step 6: Final answer
    x = 99,673.90

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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.