Finding the Fourth Proportional to 243,954.99, 336,672.72 and 136,522.80
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Solution
The fourth proportional to 243,954.99, 336,672.72 and 136,522.80 is: 188,409.77
Step by Step Solution
- Step 1: Write the proportion equation
243,954.99 : 336,672.72 = 136,522.80 : x - Step 2: Convert to fraction form
243,954.99/336,672.72 = 136,522.80/x - Step 3: Cross multiply
243,954.99x = 336,672.72 × 136,522.80 - Step 4: Simplify right side
243,954.99x = 45,963,502,418.02 - Step 5: Solve for x
x = 45,963,502,418.02/243,954.99 - Step 6: Final answer
x = 188,409.77
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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.