Finding the Fourth Proportional to 304,639.10, 420,269.60 and 183,713.19
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Solution
The fourth proportional to 304,639.10, 420,269.60 and 183,713.19 is: 253,444.38
Step by Step Solution
- Step 1: Write the proportion equation
304,639.10 : 420,269.60 = 183,713.19 : x - Step 2: Convert to fraction form
304,639.10/420,269.60 = 183,713.19/x - Step 3: Cross multiply
304,639.10x = 420,269.60 × 183,713.19 - Step 4: Simplify right side
304,639.10x = 77,209,066,774.68 - Step 5: Solve for x
x = 77,209,066,774.68/304,639.10 - Step 6: Final answer
x = 253,444.38
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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.