Finding the Fourth Proportional to 645,710.97, 968,231.34 and 190,243.09
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Solution
The fourth proportional to 645,710.97, 968,231.34 and 190,243.09 is: 285,265.89
Step by Step Solution
- Step 1: Write the proportion equation
645,710.97 : 968,231.34 = 190,243.09 : x - Step 2: Convert to fraction form
645,710.97/968,231.34 = 190,243.09/x - Step 3: Cross multiply
645,710.97x = 968,231.34 × 190,243.09 - Step 4: Simplify right side
645,710.97x = 184,199,316,164.07 - Step 5: Solve for x
x = 184,199,316,164.07/645,710.97 - Step 6: Final answer
x = 285,265.89
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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.