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Finding the Fourth Proportional to 447,610, 617,701.80 and 246,406

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Solution

The fourth proportional to 447,610, 617,701.80 and 246,406 is: 340,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,610 : 617,701.80 = 246,406 : x
  2. Step 2: Convert to fraction form
    447,610/617,701.80 = 246,406/x
  3. Step 3: Cross multiply
    447,610x = 617,701.80 × 246,406
  4. Step 4: Simplify right side
    447,610x = 152,205,429,730.80
  5. Step 5: Solve for x
    x = 152,205,429,730.80/447,610
  6. Step 6: Final answer
    x = 340,040.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.