Finding the Fourth Proportional to 629,118.19, 868,268.72 and 371,068.12
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Solution
The fourth proportional to 629,118.19, 868,268.72 and 371,068.12 is: 512,124.50
Step by Step Solution
- Step 1: Write the proportion equation
629,118.19 : 868,268.72 = 371,068.12 : x - Step 2: Convert to fraction form
629,118.19/868,268.72 = 371,068.12/x - Step 3: Cross multiply
629,118.19x = 868,268.72 × 371,068.12 - Step 4: Simplify right side
629,118.19x = 322,186,835,388.52 - Step 5: Solve for x
x = 322,186,835,388.52/629,118.19 - Step 6: Final answer
x = 512,124.50
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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.