Finding the Fourth Proportional to 395,110.68, 545,252.70 and 213,822.62
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Solution
The fourth proportional to 395,110.68, 545,252.70 and 213,822.62 is: 295,075.19
Step by Step Solution
- Step 1: Write the proportion equation
395,110.68 : 545,252.70 = 213,822.62 : x - Step 2: Convert to fraction form
395,110.68/545,252.70 = 213,822.62/x - Step 3: Cross multiply
395,110.68x = 545,252.70 × 213,822.62 - Step 4: Simplify right side
395,110.68x = 116,587,360,876.07 - Step 5: Solve for x
x = 116,587,360,876.07/395,110.68 - Step 6: Final answer
x = 295,075.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.