Finding the Fourth Proportional to 487,664.87, 731,559.58 and 188,231.08
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Solution
The fourth proportional to 487,664.87, 731,559.58 and 188,231.08 is: 282,370.66
Step by Step Solution
- Step 1: Write the proportion equation
487,664.87 : 731,559.58 = 188,231.08 : x - Step 2: Convert to fraction form
487,664.87/731,559.58 = 188,231.08/x - Step 3: Cross multiply
487,664.87x = 731,559.58 × 188,231.08 - Step 4: Simplify right side
487,664.87x = 137,702,247,528.27 - Step 5: Solve for x
x = 137,702,247,528.27/487,664.87 - Step 6: Final answer
x = 282,370.66
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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.