Finding the Fourth Proportional to 211,630.08, 292,053.09 and 116,145.66
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Solution
The fourth proportional to 211,630.08, 292,053.09 and 116,145.66 is: 160,282.98
Step by Step Solution
- Step 1: Write the proportion equation
211,630.08 : 292,053.09 = 116,145.66 : x - Step 2: Convert to fraction form
211,630.08/292,053.09 = 116,145.66/x - Step 3: Cross multiply
211,630.08x = 292,053.09 × 116,145.66 - Step 4: Simplify right side
211,630.08x = 33,920,698,893.09 - Step 5: Solve for x
x = 33,920,698,893.09/211,630.08 - Step 6: Final answer
x = 160,282.98
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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.