Finding the Fourth Proportional to 211,852.18, 292,284.84 and 119,958.95
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Solution
The fourth proportional to 211,852.18, 292,284.84 and 119,958.95 is: 165,503.05
Step by Step Solution
- Step 1: Write the proportion equation
211,852.18 : 292,284.84 = 119,958.95 : x - Step 2: Convert to fraction form
211,852.18/292,284.84 = 119,958.95/x - Step 3: Cross multiply
211,852.18x = 292,284.84 × 119,958.95 - Step 4: Simplify right side
211,852.18x = 35,062,181,045.89 - Step 5: Solve for x
x = 35,062,181,045.89/211,852.18 - Step 6: Final answer
x = 165,503.05
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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.