Finding the Fourth Proportional to 231,318.99, 346,582.09 and 155,275.18
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Solution
The fourth proportional to 231,318.99, 346,582.09 and 155,275.18 is: 232,646.68
Step by Step Solution
- Step 1: Write the proportion equation
231,318.99 : 346,582.09 = 155,275.18 : x - Step 2: Convert to fraction form
231,318.99/346,582.09 = 155,275.18/x - Step 3: Cross multiply
231,318.99x = 346,582.09 × 155,275.18 - Step 4: Simplify right side
231,318.99x = 53,815,595,737.16 - Step 5: Solve for x
x = 53,815,595,737.16/231,318.99 - Step 6: Final answer
x = 232,646.68
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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.