Finding the Fourth Proportional to 777,621.75, 1,166,432.63 and 186,645.75
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Solution
The fourth proportional to 777,621.75, 1,166,432.63 and 186,645.75 is: 279,968.63
Step by Step Solution
- Step 1: Write the proportion equation
777,621.75 : 1,166,432.63 = 186,645.75 : x - Step 2: Convert to fraction form
777,621.75/1,166,432.63 = 186,645.75/x - Step 3: Cross multiply
777,621.75x = 1,166,432.63 × 186,645.75 - Step 4: Simplify right side
777,621.75x = 217,709,692,117.59 - Step 5: Solve for x
x = 217,709,692,117.59/777,621.75 - Step 6: Final answer
x = 279,968.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.