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Finding the Fourth Proportional to 230,423.00, 345,634.49 and 72,667.40

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Solution

The fourth proportional to 230,423.00, 345,634.49 and 72,667.40 is: 109,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,423.00 : 345,634.49 = 72,667.40 : x
  2. Step 2: Convert to fraction form
    230,423.00/345,634.49 = 72,667.40/x
  3. Step 3: Cross multiply
    230,423.00x = 345,634.49 × 72,667.40
  4. Step 4: Simplify right side
    230,423.00x = 25,116,358,192.12
  5. Step 5: Solve for x
    x = 25,116,358,192.12/230,423.00
  6. Step 6: Final answer
    x = 109,001.09

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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.