Finding the Fourth Proportional to 211,967.55, 292,531.50 and 121,351.95
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Solution
The fourth proportional to 211,967.55, 292,531.50 and 121,351.95 is: 167,475.01
Step by Step Solution
- Step 1: Write the proportion equation
211,967.55 : 292,531.50 = 121,351.95 : x - Step 2: Convert to fraction form
211,967.55/292,531.50 = 121,351.95/x - Step 3: Cross multiply
211,967.55x = 292,531.50 × 121,351.95 - Step 4: Simplify right side
211,967.55x = 35,499,267,961.43 - Step 5: Solve for x
x = 35,499,267,961.43/211,967.55 - Step 6: Final answer
x = 167,475.01
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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.