Finding the Fourth Proportional to 463,382.44, 639,277.70 and 281,948.92
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Solution
The fourth proportional to 463,382.44, 639,277.70 and 281,948.92 is: 388,973.86
Step by Step Solution
- Step 1: Write the proportion equation
463,382.44 : 639,277.70 = 281,948.92 : x - Step 2: Convert to fraction form
463,382.44/639,277.70 = 281,948.92/x - Step 3: Cross multiply
463,382.44x = 639,277.70 × 281,948.92 - Step 4: Simplify right side
463,382.44x = 180,243,657,095.08 - Step 5: Solve for x
x = 180,243,657,095.08/463,382.44 - Step 6: Final answer
x = 388,973.86
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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.