Finding the Fourth Proportional to 197,194.16, 295,672.76 and 77,108.06
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Solution
The fourth proportional to 197,194.16, 295,672.76 and 77,108.06 is: 115,615.75
Step by Step Solution
- Step 1: Write the proportion equation
197,194.16 : 295,672.76 = 77,108.06 : x - Step 2: Convert to fraction form
197,194.16/295,672.76 = 77,108.06/x - Step 3: Cross multiply
197,194.16x = 295,672.76 × 77,108.06 - Step 4: Simplify right side
197,194.16x = 22,798,751,054.54 - Step 5: Solve for x
x = 22,798,751,054.54/197,194.16 - Step 6: Final answer
x = 115,615.75
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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.