Finding the Fourth Proportional to 242,705.93, 334,935.73 and 135,282.77
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Solution
The fourth proportional to 242,705.93, 334,935.73 and 135,282.77 is: 186,691.09
Step by Step Solution
- Step 1: Write the proportion equation
242,705.93 : 334,935.73 = 135,282.77 : x - Step 2: Convert to fraction form
242,705.93/334,935.73 = 135,282.77/x - Step 3: Cross multiply
242,705.93x = 334,935.73 × 135,282.77 - Step 4: Simplify right side
242,705.93x = 45,311,033,076.81 - Step 5: Solve for x
x = 45,311,033,076.81/242,705.93 - Step 6: Final answer
x = 186,691.09
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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.