Finding the Fourth Proportional to 512,990.99, 769,569.17 and 158,004.84
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Solution
The fourth proportional to 512,990.99, 769,569.17 and 158,004.84 is: 237,032.73
Step by Step Solution
- Step 1: Write the proportion equation
512,990.99 : 769,569.17 = 158,004.84 : x - Step 2: Convert to fraction form
512,990.99/769,569.17 = 158,004.84/x - Step 3: Cross multiply
512,990.99x = 769,569.17 × 158,004.84 - Step 4: Simplify right side
512,990.99x = 121,595,653,574.78 - Step 5: Solve for x
x = 121,595,653,574.78/512,990.99 - Step 6: Final answer
x = 237,032.73
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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.