Finding the Fourth Proportional to 304,896.42, 420,772.86 and 184,036.05
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Solution
The fourth proportional to 304,896.42, 420,772.86 and 184,036.05 is: 253,979.29
Step by Step Solution
- Step 1: Write the proportion equation
304,896.42 : 420,772.86 = 184,036.05 : x - Step 2: Convert to fraction form
304,896.42/420,772.86 = 184,036.05/x - Step 3: Cross multiply
304,896.42x = 420,772.86 × 184,036.05 - Step 4: Simplify right side
304,896.42x = 77,437,375,101.60 - Step 5: Solve for x
x = 77,437,375,101.60/304,896.42 - Step 6: Final answer
x = 253,979.29
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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.