Finding the Fourth Proportional to 197,838.18, 296,637.66 and 77,751.42
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Solution
The fourth proportional to 197,838.18, 296,637.66 and 77,751.42 is: 116,580.12
Step by Step Solution
- Step 1: Write the proportion equation
197,838.18 : 296,637.66 = 77,751.42 : x - Step 2: Convert to fraction form
197,838.18/296,637.66 = 77,751.42/x - Step 3: Cross multiply
197,838.18x = 296,637.66 × 77,751.42 - Step 4: Simplify right side
197,838.18x = 23,063,999,290.48 - Step 5: Solve for x
x = 23,063,999,290.48/197,838.18 - Step 6: Final answer
x = 116,580.12
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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.