Finding the Fourth Proportional to 462,264.29, 638,121.19 and 281,034.09
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Solution
The fourth proportional to 462,264.29, 638,121.19 and 281,034.09 is: 387,946.49
Step by Step Solution
- Step 1: Write the proportion equation
462,264.29 : 638,121.19 = 281,034.09 : x - Step 2: Convert to fraction form
462,264.29/638,121.19 = 281,034.09/x - Step 3: Cross multiply
462,264.29x = 638,121.19 × 281,034.09 - Step 4: Simplify right side
462,264.29x = 179,333,807,941.37 - Step 5: Solve for x
x = 179,333,807,941.37/462,264.29 - Step 6: Final answer
x = 387,946.49
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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.