Finding the Fourth Proportional to 242,833.68, 335,283.08 and 202,651.28
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Solution
The fourth proportional to 242,833.68, 335,283.08 and 202,651.28 is: 279,802.81
Step by Step Solution
- Step 1: Write the proportion equation
242,833.68 : 335,283.08 = 202,651.28 : x - Step 2: Convert to fraction form
242,833.68/335,283.08 = 202,651.28/x - Step 3: Cross multiply
242,833.68x = 335,283.08 × 202,651.28 - Step 4: Simplify right side
242,833.68x = 67,945,545,324.34 - Step 5: Solve for x
x = 67,945,545,324.34/242,833.68 - Step 6: Final answer
x = 279,802.81
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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.