Finding the Fourth Proportional to 313,039.08, 468,218.55 and 290,348.94
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Solution
The fourth proportional to 313,039.08, 468,218.55 and 290,348.94 is: 434,280.47
Step by Step Solution
- Step 1: Write the proportion equation
313,039.08 : 468,218.55 = 290,348.94 : x - Step 2: Convert to fraction form
313,039.08/468,218.55 = 290,348.94/x - Step 3: Cross multiply
313,039.08x = 468,218.55 × 290,348.94 - Step 4: Simplify right side
313,039.08x = 135,946,759,680.84 - Step 5: Solve for x
x = 135,946,759,680.84/313,039.08 - Step 6: Final answer
x = 434,280.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.