Finding the Fourth Proportional to 640,174.44, 883,365.42 and 353,677.44
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Solution
The fourth proportional to 640,174.44, 883,365.42 and 353,677.44 is: 488,033.26
Step by Step Solution
- Step 1: Write the proportion equation
640,174.44 : 883,365.42 = 353,677.44 : x - Step 2: Convert to fraction form
640,174.44/883,365.42 = 353,677.44/x - Step 3: Cross multiply
640,174.44x = 883,365.42 × 353,677.44 - Step 4: Simplify right side
640,174.44x = 312,426,420,330.13 - Step 5: Solve for x
x = 312,426,420,330.13/640,174.44 - Step 6: Final answer
x = 488,033.26
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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.