Finding the Fourth Proportional to 211,141.08, 291,376.44 and 115,656.66
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Solution
The fourth proportional to 211,141.08, 291,376.44 and 115,656.66 is: 159,607.15
Step by Step Solution
- Step 1: Write the proportion equation
211,141.08 : 291,376.44 = 115,656.66 : x - Step 2: Convert to fraction form
211,141.08/291,376.44 = 115,656.66/x - Step 3: Cross multiply
211,141.08x = 291,376.44 × 115,656.66 - Step 4: Simplify right side
211,141.08x = 33,699,625,853.09 - Step 5: Solve for x
x = 33,699,625,853.09/211,141.08 - Step 6: Final answer
x = 159,607.15
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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.