Finding the Fourth Proportional to 304,424.63, 420,165.42 and 183,585.59
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Solution
The fourth proportional to 304,424.63, 420,165.42 and 183,585.59 is: 253,383.95
Step by Step Solution
- Step 1: Write the proportion equation
304,424.63 : 420,165.42 = 183,585.59 : x - Step 2: Convert to fraction form
304,424.63/420,165.42 = 183,585.59/x - Step 3: Cross multiply
304,424.63x = 420,165.42 × 183,585.59 - Step 4: Simplify right side
304,424.63x = 77,136,316,528.30 - Step 5: Solve for x
x = 77,136,316,528.30/304,424.63 - Step 6: Final answer
x = 253,383.95
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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.