Finding the Fourth Proportional to 211,878.67, 292,270.42 and 126,946.53
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Solution
The fourth proportional to 211,878.67, 292,270.42 and 126,946.53 is: 175,113.03
Step by Step Solution
- Step 1: Write the proportion equation
211,878.67 : 292,270.42 = 126,946.53 : x - Step 2: Convert to fraction form
211,878.67/292,270.42 = 126,946.53/x - Step 3: Cross multiply
211,878.67x = 292,270.42 × 126,946.53 - Step 4: Simplify right side
211,878.67x = 37,102,715,640.64 - Step 5: Solve for x
x = 37,102,715,640.64/211,878.67 - Step 6: Final answer
x = 175,113.03
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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.