Finding the Fourth Proportional to 195,186.08, 269,356.80 and 105,762.08
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Solution
The fourth proportional to 195,186.08, 269,356.80 and 105,762.08 is: 145,951.68
Step by Step Solution
- Step 1: Write the proportion equation
195,186.08 : 269,356.80 = 105,762.08 : x - Step 2: Convert to fraction form
195,186.08/269,356.80 = 105,762.08/x - Step 3: Cross multiply
195,186.08x = 269,356.80 × 105,762.08 - Step 4: Simplify right side
195,186.08x = 28,487,735,430.14 - Step 5: Solve for x
x = 28,487,735,430.14/195,186.08 - Step 6: Final answer
x = 145,951.68
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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.