Finding the Fourth Proportional to 545,781.24, 753,201.36 and 304,063.68
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Solution
The fourth proportional to 545,781.24, 753,201.36 and 304,063.68 is: 419,620.83
Step by Step Solution
- Step 1: Write the proportion equation
545,781.24 : 753,201.36 = 304,063.68 : x - Step 2: Convert to fraction form
545,781.24/753,201.36 = 304,063.68/x - Step 3: Cross multiply
545,781.24x = 753,201.36 × 304,063.68 - Step 4: Simplify right side
545,781.24x = 229,021,177,302.61 - Step 5: Solve for x
x = 229,021,177,302.61/545,781.24 - Step 6: Final answer
x = 419,620.83
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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.