Finding the Fourth Proportional to 243,781.30, 336,409.69 and 134,883.91
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Solution
The fourth proportional to 243,781.30, 336,409.69 and 134,883.91 is: 186,135.09
Step by Step Solution
- Step 1: Write the proportion equation
243,781.30 : 336,409.69 = 134,883.91 : x - Step 2: Convert to fraction form
243,781.30/336,409.69 = 134,883.91/x - Step 3: Cross multiply
243,781.30x = 336,409.69 × 134,883.91 - Step 4: Simplify right side
243,781.30x = 45,376,254,308.19 - Step 5: Solve for x
x = 45,376,254,308.19/243,781.30 - Step 6: Final answer
x = 186,135.09
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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.