Finding the Fourth Proportional to 242,777.66, 335,033.62 and 135,345.53
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Solution
The fourth proportional to 242,777.66, 335,033.62 and 135,345.53 is: 186,777.09
Step by Step Solution
- Step 1: Write the proportion equation
242,777.66 : 335,033.62 = 135,345.53 : x - Step 2: Convert to fraction form
242,777.66/335,033.62 = 135,345.53/x - Step 3: Cross multiply
242,777.66x = 335,033.62 × 135,345.53 - Step 4: Simplify right side
242,777.66x = 45,345,303,365.94 - Step 5: Solve for x
x = 45,345,303,365.94/242,777.66 - Step 6: Final answer
x = 186,777.09
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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.