Finding the Fourth Proportional to 277,089.48, 415,505.05 and 143,933.99
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Solution
The fourth proportional to 277,089.48, 415,505.05 and 143,933.99 is: 215,833.89
Step by Step Solution
- Step 1: Write the proportion equation
277,089.48 : 415,505.05 = 143,933.99 : x - Step 2: Convert to fraction form
277,089.48/415,505.05 = 143,933.99/x - Step 3: Cross multiply
277,089.48x = 415,505.05 × 143,933.99 - Step 4: Simplify right side
277,089.48x = 59,805,299,711.65 - Step 5: Solve for x
x = 59,805,299,711.65/277,089.48 - Step 6: Final answer
x = 215,833.89
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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.