Finding the Fourth Proportional to 505,486.59, 757,855.35 and 238,935.63
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Solution
The fourth proportional to 505,486.59, 757,855.35 and 238,935.63 is: 358,226.42
Step by Step Solution
- Step 1: Write the proportion equation
505,486.59 : 757,855.35 = 238,935.63 : x - Step 2: Convert to fraction form
505,486.59/757,855.35 = 238,935.63/x - Step 3: Cross multiply
505,486.59x = 757,855.35 × 238,935.63 - Step 4: Simplify right side
505,486.59x = 181,078,648,343.08 - Step 5: Solve for x
x = 181,078,648,343.08/505,486.59 - Step 6: Final answer
x = 358,226.42
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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.