Finding the Fourth Proportional to 341,543.41, 471,294.12 and 198,275.47
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Solution
The fourth proportional to 341,543.41, 471,294.12 and 198,275.47 is: 273,599.37
Step by Step Solution
- Step 1: Write the proportion equation
341,543.41 : 471,294.12 = 198,275.47 : x - Step 2: Convert to fraction form
341,543.41/471,294.12 = 198,275.47/x - Step 3: Cross multiply
341,543.41x = 471,294.12 × 198,275.47 - Step 4: Simplify right side
341,543.41x = 93,446,063,151.24 - Step 5: Solve for x
x = 93,446,063,151.24/341,543.41 - Step 6: Final answer
x = 273,599.37
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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.