Finding the Fourth Proportional to 145,069.49, 217,593.93 and 38,451.08
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Solution
The fourth proportional to 145,069.49, 217,593.93 and 38,451.08 is: 57,673.89
Step by Step Solution
- Step 1: Write the proportion equation
145,069.49 : 217,593.93 = 38,451.08 : x - Step 2: Convert to fraction form
145,069.49/217,593.93 = 38,451.08/x - Step 3: Cross multiply
145,069.49x = 217,593.93 × 38,451.08 - Step 4: Simplify right side
145,069.49x = 8,366,721,609.94 - Step 5: Solve for x
x = 8,366,721,609.94/145,069.49 - Step 6: Final answer
x = 57,673.89
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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.