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Finding the Fourth Proportional to 560,210.40, 839,809.44 and 204,976.80

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Solution

The fourth proportional to 560,210.40, 839,809.44 and 204,976.80 is: 307,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,210.40 : 839,809.44 = 204,976.80 : x
  2. Step 2: Convert to fraction form
    560,210.40/839,809.44 = 204,976.80/x
  3. Step 3: Cross multiply
    560,210.40x = 839,809.44 × 204,976.80
  4. Step 4: Simplify right side
    560,210.40x = 172,141,451,620.99
  5. Step 5: Solve for x
    x = 172,141,451,620.99/560,210.40
  6. Step 6: Final answer
    x = 307,280.00

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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.