Finding the Fourth Proportional to 199,117.76, 297,974.64 and 124,272.96
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Solution
The fourth proportional to 199,117.76, 297,974.64 and 124,272.96 is: 185,971.31
Step by Step Solution
- Step 1: Write the proportion equation
199,117.76 : 297,974.64 = 124,272.96 : x - Step 2: Convert to fraction form
199,117.76/297,974.64 = 124,272.96/x - Step 3: Cross multiply
199,117.76x = 297,974.64 × 124,272.96 - Step 4: Simplify right side
199,117.76x = 37,030,190,517.73 - Step 5: Solve for x
x = 37,030,190,517.73/199,117.76 - Step 6: Final answer
x = 185,971.31
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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.