Finding the Fourth Proportional to 204,781.20, 282,599.45 and 114,142.99
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Solution
The fourth proportional to 204,781.20, 282,599.45 and 114,142.99 is: 157,518.10
Step by Step Solution
- Step 1: Write the proportion equation
204,781.20 : 282,599.45 = 114,142.99 : x - Step 2: Convert to fraction form
204,781.20/282,599.45 = 114,142.99/x - Step 3: Cross multiply
204,781.20x = 282,599.45 × 114,142.99 - Step 4: Simplify right side
204,781.20x = 32,256,746,195.36 - Step 5: Solve for x
x = 32,256,746,195.36/204,781.20 - Step 6: Final answer
x = 157,518.10
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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.