Finding the Fourth Proportional to 211,146.44, 291,381.64 and 114,349.99
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Solution
The fourth proportional to 211,146.44, 291,381.64 and 114,349.99 is: 157,802.74
Step by Step Solution
- Step 1: Write the proportion equation
211,146.44 : 291,381.64 = 114,349.99 : x - Step 2: Convert to fraction form
211,146.44/291,381.64 = 114,349.99/x - Step 3: Cross multiply
211,146.44x = 291,381.64 × 114,349.99 - Step 4: Simplify right side
211,146.44x = 33,319,487,620.18 - Step 5: Solve for x
x = 33,319,487,620.18/211,146.44 - Step 6: Final answer
x = 157,802.74
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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.