Finding the Fourth Proportional to 605,239.36, 835,232.82 and 347,126.28
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Solution
The fourth proportional to 605,239.36, 835,232.82 and 347,126.28 is: 479,035.70
Step by Step Solution
- Step 1: Write the proportion equation
605,239.36 : 835,232.82 = 347,126.28 : x - Step 2: Convert to fraction form
605,239.36/835,232.82 = 347,126.28/x - Step 3: Cross multiply
605,239.36x = 835,232.82 × 347,126.28 - Step 4: Simplify right side
605,239.36x = 289,931,257,306.66 - Step 5: Solve for x
x = 289,931,257,306.66/605,239.36 - Step 6: Final answer
x = 479,035.70
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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.