Finding the Fourth Proportional to 480,963.62, 721,444.73 and 192,905.21
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Solution
The fourth proportional to 480,963.62, 721,444.73 and 192,905.21 is: 289,357.53
Step by Step Solution
- Step 1: Write the proportion equation
480,963.62 : 721,444.73 = 192,905.21 : x - Step 2: Convert to fraction form
480,963.62/721,444.73 = 192,905.21/x - Step 3: Cross multiply
480,963.62x = 721,444.73 × 192,905.21 - Step 4: Simplify right side
480,963.62x = 139,170,442,572.29 - Step 5: Solve for x
x = 139,170,442,572.29/480,963.62 - Step 6: Final answer
x = 289,357.53
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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.