Finding the Fourth Proportional to 343,244.12, 473,578.98 and 198,038.42
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Solution
The fourth proportional to 343,244.12, 473,578.98 and 198,038.42 is: 273,236.53
Step by Step Solution
- Step 1: Write the proportion equation
343,244.12 : 473,578.98 = 198,038.42 : x - Step 2: Convert to fraction form
343,244.12/473,578.98 = 198,038.42/x - Step 3: Cross multiply
343,244.12x = 473,578.98 × 198,038.42 - Step 4: Simplify right side
343,244.12x = 93,786,832,944.41 - Step 5: Solve for x
x = 93,786,832,944.41/343,244.12 - Step 6: Final answer
x = 273,236.53
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1.5x scale
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.