Finding the Fourth Proportional to 211,141.08, 291,374.28 and 115,649.64
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Solution
The fourth proportional to 211,141.08, 291,374.28 and 115,649.64 is: 159,596.28
Step by Step Solution
- Step 1: Write the proportion equation
211,141.08 : 291,374.28 = 115,649.64 : x - Step 2: Convert to fraction form
211,141.08/291,374.28 = 115,649.64/x - Step 3: Cross multiply
211,141.08x = 291,374.28 × 115,649.64 - Step 4: Simplify right side
211,141.08x = 33,697,330,587.26 - Step 5: Solve for x
x = 33,697,330,587.26/211,141.08 - Step 6: Final answer
x = 159,596.28
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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.