Finding the Fourth Proportional to 291,929.13, 402,516.99 and 205,902.27
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Solution
The fourth proportional to 291,929.13, 402,516.99 and 205,902.27 is: 283,901.65
Step by Step Solution
- Step 1: Write the proportion equation
291,929.13 : 402,516.99 = 205,902.27 : x - Step 2: Convert to fraction form
291,929.13/402,516.99 = 205,902.27/x - Step 3: Cross multiply
291,929.13x = 402,516.99 × 205,902.27 - Step 4: Simplify right side
291,929.13x = 82,879,161,954.57 - Step 5: Solve for x
x = 82,879,161,954.57/291,929.13 - Step 6: Final answer
x = 283,901.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.