Finding the Fourth Proportional to 647,799.39, 971,841.24 and 198,554.09
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Solution
The fourth proportional to 647,799.39, 971,841.24 and 198,554.09 is: 297,874.70
Step by Step Solution
- Step 1: Write the proportion equation
647,799.39 : 971,841.24 = 198,554.09 : x - Step 2: Convert to fraction form
647,799.39/971,841.24 = 198,554.09/x - Step 3: Cross multiply
647,799.39x = 971,841.24 × 198,554.09 - Step 4: Simplify right side
647,799.39x = 192,963,048,173.47 - Step 5: Solve for x
x = 192,963,048,173.47/647,799.39 - Step 6: Final answer
x = 297,874.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.