Finding the Fourth Proportional to 304,639.75, 420,415.99 and 168,673.70
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Solution
The fourth proportional to 304,639.75, 420,415.99 and 168,673.70 is: 232,776.98
Step by Step Solution
- Step 1: Write the proportion equation
304,639.75 : 420,415.99 = 168,673.70 : x - Step 2: Convert to fraction form
304,639.75/420,415.99 = 168,673.70/x - Step 3: Cross multiply
304,639.75x = 420,415.99 × 168,673.70 - Step 4: Simplify right side
304,639.75x = 70,913,120,572.46 - Step 5: Solve for x
x = 70,913,120,572.46/304,639.75 - Step 6: Final answer
x = 232,776.98
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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.