Finding the Fourth Proportional to 211,926.53, 292,535.35 and 140,329.62
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Solution
The fourth proportional to 211,926.53, 292,535.35 and 140,329.62 is: 193,705.69
Step by Step Solution
- Step 1: Write the proportion equation
211,926.53 : 292,535.35 = 140,329.62 : x - Step 2: Convert to fraction form
211,926.53/292,535.35 = 140,329.62/x - Step 3: Cross multiply
211,926.53x = 292,535.35 × 140,329.62 - Step 4: Simplify right side
211,926.53x = 41,051,374,151.24 - Step 5: Solve for x
x = 41,051,374,151.24/211,926.53 - Step 6: Final answer
x = 193,705.69
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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.