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Finding the Fourth Proportional to 300,566.88, 450,681.44 and 205,903.80

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Solution

The fourth proportional to 300,566.88, 450,681.44 and 205,903.80 is: 308,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,566.88 : 450,681.44 = 205,903.80 : x
  2. Step 2: Convert to fraction form
    300,566.88/450,681.44 = 205,903.80/x
  3. Step 3: Cross multiply
    300,566.88x = 450,681.44 × 205,903.80
  4. Step 4: Simplify right side
    300,566.88x = 92,797,020,055.95
  5. Step 5: Solve for x
    x = 92,797,020,055.95/300,566.88
  6. Step 6: Final answer
    x = 308,740.01

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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.