Finding the Fourth Proportional to 211,365.74, 291,682.26 and 115,872.41
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Solution
The fourth proportional to 211,365.74, 291,682.26 and 115,872.41 is: 159,902.57
Step by Step Solution
- Step 1: Write the proportion equation
211,365.74 : 291,682.26 = 115,872.41 : x - Step 2: Convert to fraction form
211,365.74/291,682.26 = 115,872.41/x - Step 3: Cross multiply
211,365.74x = 291,682.26 × 115,872.41 - Step 4: Simplify right side
211,365.74x = 33,797,924,962.04 - Step 5: Solve for x
x = 33,797,924,962.04/211,365.74 - Step 6: Final answer
x = 159,902.57
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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.