Finding the Fourth Proportional to 377,657.09, 521,173.41 and 205,580.00
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Solution
The fourth proportional to 377,657.09, 521,173.41 and 205,580.00 is: 283,704.00
Step by Step Solution
- Step 1: Write the proportion equation
377,657.09 : 521,173.41 = 205,580.00 : x - Step 2: Convert to fraction form
377,657.09/521,173.41 = 205,580.00/x - Step 3: Cross multiply
377,657.09x = 521,173.41 × 205,580.00 - Step 4: Simplify right side
377,657.09x = 107,142,827,021.93 - Step 5: Solve for x
x = 107,142,827,021.93/377,657.09 - Step 6: Final answer
x = 283,704.00
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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.