Finding the Fourth Proportional to 176,597.87, 243,795.35 and 136,220.99
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Solution
The fourth proportional to 176,597.87, 243,795.35 and 136,220.99 is: 188,054.61
Step by Step Solution
- Step 1: Write the proportion equation
176,597.87 : 243,795.35 = 136,220.99 : x - Step 2: Convert to fraction form
176,597.87/243,795.35 = 136,220.99/x - Step 3: Cross multiply
176,597.87x = 243,795.35 × 136,220.99 - Step 4: Simplify right side
176,597.87x = 33,210,043,055.97 - Step 5: Solve for x
x = 33,210,043,055.97/176,597.87 - Step 6: Final answer
x = 188,054.61
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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.