Finding the Fourth Proportional to 361,971.94, 499,511.74 and 198,627.95
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Solution
The fourth proportional to 361,971.94, 499,511.74 and 198,627.95 is: 274,101.34
Step by Step Solution
- Step 1: Write the proportion equation
361,971.94 : 499,511.74 = 198,627.95 : x - Step 2: Convert to fraction form
361,971.94/499,511.74 = 198,627.95/x - Step 3: Cross multiply
361,971.94x = 499,511.74 × 198,627.95 - Step 4: Simplify right side
361,971.94x = 99,216,992,917.13 - Step 5: Solve for x
x = 99,216,992,917.13/361,971.94 - Step 6: Final answer
x = 274,101.34
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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.