Finding the Fourth Proportional to 242,927.57, 335,239.17 and 135,497.52
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Solution
The fourth proportional to 242,927.57, 335,239.17 and 135,497.52 is: 186,986.09
Step by Step Solution
- Step 1: Write the proportion equation
242,927.57 : 335,239.17 = 135,497.52 : x - Step 2: Convert to fraction form
242,927.57/335,239.17 = 135,497.52/x - Step 3: Cross multiply
242,927.57x = 335,239.17 × 135,497.52 - Step 4: Simplify right side
242,927.57x = 45,424,074,465.66 - Step 5: Solve for x
x = 45,424,074,465.66/242,927.57 - Step 6: Final answer
x = 186,986.09
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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.