Finding the Fourth Proportional to 234,990.36, 352,537.38 and 77,212.08
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Solution
The fourth proportional to 234,990.36, 352,537.38 and 77,212.08 is: 115,835.15
Step by Step Solution
- Step 1: Write the proportion equation
234,990.36 : 352,537.38 = 77,212.08 : x - Step 2: Convert to fraction form
234,990.36/352,537.38 = 77,212.08/x - Step 3: Cross multiply
234,990.36x = 352,537.38 × 77,212.08 - Step 4: Simplify right side
234,990.36x = 27,220,144,387.55 - Step 5: Solve for x
x = 27,220,144,387.55/234,990.36 - Step 6: Final answer
x = 115,835.15
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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.