Finding the Fourth Proportional to 285,168.84, 393,491.79 and 157,844.13
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Solution
The fourth proportional to 285,168.84, 393,491.79 and 157,844.13 is: 217,802.09
Step by Step Solution
- Step 1: Write the proportion equation
285,168.84 : 393,491.79 = 157,844.13 : x - Step 2: Convert to fraction form
285,168.84/393,491.79 = 157,844.13/x - Step 3: Cross multiply
285,168.84x = 393,491.79 × 157,844.13 - Step 4: Simplify right side
285,168.84x = 62,110,369,254.69 - Step 5: Solve for x
x = 62,110,369,254.69/285,168.84 - Step 6: Final answer
x = 217,802.09
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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.