Finding the Fourth Proportional to 304,853.61, 420,692.29 and 183,999.99
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Solution
The fourth proportional to 304,853.61, 420,692.29 and 183,999.99 is: 253,916.55
Step by Step Solution
- Step 1: Write the proportion equation
304,853.61 : 420,692.29 = 183,999.99 : x - Step 2: Convert to fraction form
304,853.61/420,692.29 = 183,999.99/x - Step 3: Cross multiply
304,853.61x = 420,692.29 × 183,999.99 - Step 4: Simplify right side
304,853.61x = 77,407,377,153.08 - Step 5: Solve for x
x = 77,407,377,153.08/304,853.61 - Step 6: Final answer
x = 253,916.55
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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.