Finding the Fourth Proportional to 211,334.24, 291,639.93 and 115,844.96
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Solution
The fourth proportional to 211,334.24, 291,639.93 and 115,844.96 is: 159,865.32
Step by Step Solution
- Step 1: Write the proportion equation
211,334.24 : 291,639.93 = 115,844.96 : x - Step 2: Convert to fraction form
211,334.24/291,639.93 = 115,844.96/x - Step 3: Cross multiply
211,334.24x = 291,639.93 × 115,844.96 - Step 4: Simplify right side
211,334.24x = 33,785,016,025.25 - Step 5: Solve for x
x = 33,785,016,025.25/211,334.24 - Step 6: Final answer
x = 159,865.32
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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.