Finding the Fourth Proportional to 211,365.17, 291,683.91 and 115,872.54
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Solution
The fourth proportional to 211,365.17, 291,683.91 and 115,872.54 is: 159,904.09
Step by Step Solution
- Step 1: Write the proportion equation
211,365.17 : 291,683.91 = 115,872.54 : x - Step 2: Convert to fraction form
211,365.17/291,683.91 = 115,872.54/x - Step 3: Cross multiply
211,365.17x = 291,683.91 × 115,872.54 - Step 4: Simplify right side
211,365.17x = 33,798,155,528.83 - Step 5: Solve for x
x = 33,798,155,528.83/211,365.17 - Step 6: Final answer
x = 159,904.09
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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.