Finding the Fourth Proportional to 151,778.08, 209,454.07 and 83,795.19
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Solution
The fourth proportional to 151,778.08, 209,454.07 and 83,795.19 is: 115,637.54
Step by Step Solution
- Step 1: Write the proportion equation
151,778.08 : 209,454.07 = 83,795.19 : x - Step 2: Convert to fraction form
151,778.08/209,454.07 = 83,795.19/x - Step 3: Cross multiply
151,778.08x = 209,454.07 × 83,795.19 - Step 4: Simplify right side
151,778.08x = 17,551,243,591.92 - Step 5: Solve for x
x = 17,551,243,591.92/151,778.08 - Step 6: Final answer
x = 115,637.54
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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.