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Finding the Fourth Proportional to 447,362, 617,363.88 and 246,162.32

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Solution

The fourth proportional to 447,362, 617,363.88 and 246,162.32 is: 339,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,362 : 617,363.88 = 246,162.32 : x
  2. Step 2: Convert to fraction form
    447,362/617,363.88 = 246,162.32/x
  3. Step 3: Cross multiply
    447,362x = 617,363.88 × 246,162.32
  4. Step 4: Simplify right side
    447,362x = 151,971,724,985.00
  5. Step 5: Solve for x
    x = 151,971,724,985.00/447,362
  6. Step 6: Final answer
    x = 339,706.38

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1.5x scale

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.