Finding the Fourth Proportional to 282,998.23, 424,497.35 and 193,981.87
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Solution
The fourth proportional to 282,998.23, 424,497.35 and 193,981.87 is: 290,972.81
Step by Step Solution
- Step 1: Write the proportion equation
282,998.23 : 424,497.35 = 193,981.87 : x - Step 2: Convert to fraction form
282,998.23/424,497.35 = 193,981.87/x - Step 3: Cross multiply
282,998.23x = 424,497.35 × 193,981.87 - Step 4: Simplify right side
282,998.23x = 82,344,789,763.04 - Step 5: Solve for x
x = 82,344,789,763.04/282,998.23 - Step 6: Final answer
x = 290,972.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.