Finding the Fourth Proportional to 395,643.75, 545,988.50 and 214,356.93
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Solution
The fourth proportional to 395,643.75, 545,988.50 and 214,356.93 is: 295,812.63
Step by Step Solution
- Step 1: Write the proportion equation
395,643.75 : 545,988.50 = 214,356.93 : x - Step 2: Convert to fraction form
395,643.75/545,988.50 = 214,356.93/x - Step 3: Cross multiply
395,643.75x = 545,988.50 × 214,356.93 - Step 4: Simplify right side
395,643.75x = 117,036,418,675.31 - Step 5: Solve for x
x = 117,036,418,675.31/395,643.75 - Step 6: Final answer
x = 295,812.63
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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.