Finding the Fourth Proportional to 995,476.12, 1,493,219.94 and 247,522.12
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Solution
The fourth proportional to 995,476.12, 1,493,219.94 and 247,522.12 is: 371,284.61
Step by Step Solution
- Step 1: Write the proportion equation
995,476.12 : 1,493,219.94 = 247,522.12 : x - Step 2: Convert to fraction form
995,476.12/1,493,219.94 = 247,522.12/x - Step 3: Cross multiply
995,476.12x = 1,493,219.94 × 247,522.12 - Step 4: Simplify right side
995,476.12x = 369,604,965,175.07 - Step 5: Solve for x
x = 369,604,965,175.07/995,476.12 - Step 6: Final answer
x = 371,284.61
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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.