Finding the Fourth Proportional to 211,827.81, 292,194.01 and 125,730.07
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Solution
The fourth proportional to 211,827.81, 292,194.01 and 125,730.07 is: 173,431.30
Step by Step Solution
- Step 1: Write the proportion equation
211,827.81 : 292,194.01 = 125,730.07 : x - Step 2: Convert to fraction form
211,827.81/292,194.01 = 125,730.07/x - Step 3: Cross multiply
211,827.81x = 292,194.01 × 125,730.07 - Step 4: Simplify right side
211,827.81x = 36,737,573,330.88 - Step 5: Solve for x
x = 36,737,573,330.88/211,827.81 - Step 6: Final answer
x = 173,431.30
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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.