Finding the Fourth Proportional to 645,713.97, 968,235.83 and 190,246.09
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Solution
The fourth proportional to 645,713.97, 968,235.83 and 190,246.09 is: 285,270.40
Step by Step Solution
- Step 1: Write the proportion equation
645,713.97 : 968,235.83 = 190,246.09 : x - Step 2: Convert to fraction form
645,713.97/968,235.83 = 190,246.09/x - Step 3: Cross multiply
645,713.97x = 968,235.83 × 190,246.09 - Step 4: Simplify right side
645,713.97x = 184,203,080,855.41 - Step 5: Solve for x
x = 184,203,080,855.41/645,713.97 - Step 6: Final answer
x = 285,270.40
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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.