Finding the Fourth Proportional to 358,086.64, 536,646.12 and 136,349.68
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Solution
The fourth proportional to 358,086.64, 536,646.12 and 136,349.68 is: 204,340.29
Step by Step Solution
- Step 1: Write the proportion equation
358,086.64 : 536,646.12 = 136,349.68 : x - Step 2: Convert to fraction form
358,086.64/536,646.12 = 136,349.68/x - Step 3: Cross multiply
358,086.64x = 536,646.12 × 136,349.68 - Step 4: Simplify right side
358,086.64x = 73,171,526,735.24 - Step 5: Solve for x
x = 73,171,526,735.24/358,086.64 - Step 6: Final answer
x = 204,340.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.