Finding the Fourth Proportional to 193,814.96, 291,159.84 and 114,981.08
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Solution
The fourth proportional to 193,814.96, 291,159.84 and 114,981.08 is: 172,731.11
Step by Step Solution
- Step 1: Write the proportion equation
193,814.96 : 291,159.84 = 114,981.08 : x - Step 2: Convert to fraction form
193,814.96/291,159.84 = 114,981.08/x - Step 3: Cross multiply
193,814.96x = 291,159.84 × 114,981.08 - Step 4: Simplify right side
193,814.96x = 33,477,872,855.83 - Step 5: Solve for x
x = 33,477,872,855.83/193,814.96 - Step 6: Final answer
x = 172,731.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.