Finding the Fourth Proportional to 304,856.72, 420,717.36 and 183,996.08
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Solution
The fourth proportional to 304,856.72, 420,717.36 and 183,996.08 is: 253,923.70
Step by Step Solution
- Step 1: Write the proportion equation
304,856.72 : 420,717.36 = 183,996.08 : x - Step 2: Convert to fraction form
304,856.72/420,717.36 = 183,996.08/x - Step 3: Cross multiply
304,856.72x = 420,717.36 × 183,996.08 - Step 4: Simplify right side
304,856.72x = 77,410,345,027.95 - Step 5: Solve for x
x = 77,410,345,027.95/304,856.72 - Step 6: Final answer
x = 253,923.70
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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.