Finding the Fourth Proportional to 178,943.93, 268,219.07 and 73,705.49
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Solution
The fourth proportional to 178,943.93, 268,219.07 and 73,705.49 is: 110,477.17
Step by Step Solution
- Step 1: Write the proportion equation
178,943.93 : 268,219.07 = 73,705.49 : x - Step 2: Convert to fraction form
178,943.93/268,219.07 = 73,705.49/x - Step 3: Cross multiply
178,943.93x = 268,219.07 × 73,705.49 - Step 4: Simplify right side
178,943.93x = 19,769,218,467.98 - Step 5: Solve for x
x = 19,769,218,467.98/178,943.93 - Step 6: Final answer
x = 110,477.17
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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.