Finding the Fourth Proportional to 635,121.03, 876,463.57 and 348,645.99
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Solution
The fourth proportional to 635,121.03, 876,463.57 and 348,645.99 is: 481,129.57
Step by Step Solution
- Step 1: Write the proportion equation
635,121.03 : 876,463.57 = 348,645.99 : x - Step 2: Convert to fraction form
635,121.03/876,463.57 = 348,645.99/x - Step 3: Cross multiply
635,121.03x = 876,463.57 × 348,645.99 - Step 4: Simplify right side
635,121.03x = 305,575,509,061.58 - Step 5: Solve for x
x = 305,575,509,061.58/635,121.03 - Step 6: Final answer
x = 481,129.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.