Finding the Fourth Proportional to 211,691.76, 292,133.52 and 116,200.08
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Solution
The fourth proportional to 211,691.76, 292,133.52 and 116,200.08 is: 160,355.50
Step by Step Solution
- Step 1: Write the proportion equation
211,691.76 : 292,133.52 = 116,200.08 : x - Step 2: Convert to fraction form
211,691.76/292,133.52 = 116,200.08/x - Step 3: Cross multiply
211,691.76x = 292,133.52 × 116,200.08 - Step 4: Simplify right side
211,691.76x = 33,945,938,394.68 - Step 5: Solve for x
x = 33,945,938,394.68/211,691.76 - Step 6: Final answer
x = 160,355.50
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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.