Finding the Fourth Proportional to 242,953.84, 335,276.80 and 135,521.08
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Solution
The fourth proportional to 242,953.84, 335,276.80 and 135,521.08 is: 187,019.37
Step by Step Solution
- Step 1: Write the proportion equation
242,953.84 : 335,276.80 = 135,521.08 : x - Step 2: Convert to fraction form
242,953.84/335,276.80 = 135,521.08/x - Step 3: Cross multiply
242,953.84x = 335,276.80 × 135,521.08 - Step 4: Simplify right side
242,953.84x = 45,437,074,034.94 - Step 5: Solve for x
x = 45,437,074,034.94/242,953.84 - Step 6: Final answer
x = 187,019.37
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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.