Finding the Fourth Proportional to 277,212.68, 382,552.98 and 156,353.59
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Solution
The fourth proportional to 277,212.68, 382,552.98 and 156,353.59 is: 215,767.66
Step by Step Solution
- Step 1: Write the proportion equation
277,212.68 : 382,552.98 = 156,353.59 : x - Step 2: Convert to fraction form
277,212.68/382,552.98 = 156,353.59/x - Step 3: Cross multiply
277,212.68x = 382,552.98 × 156,353.59 - Step 4: Simplify right side
277,212.68x = 59,813,531,680.06 - Step 5: Solve for x
x = 59,813,531,680.06/277,212.68 - Step 6: Final answer
x = 215,767.66
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1.5x scale
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.