Finding the Fourth Proportional to 608,405.82, 912,538.99 and 159,170.05
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Solution
The fourth proportional to 608,405.82, 912,538.99 and 159,170.05 is: 238,736.83
Step by Step Solution
- Step 1: Write the proportion equation
608,405.82 : 912,538.99 = 159,170.05 : x - Step 2: Convert to fraction form
608,405.82/912,538.99 = 159,170.05/x - Step 3: Cross multiply
608,405.82x = 912,538.99 × 159,170.05 - Step 4: Simplify right side
608,405.82x = 145,248,876,665.25 - Step 5: Solve for x
x = 145,248,876,665.25/608,405.82 - Step 6: Final answer
x = 238,736.83
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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.