Finding the Fourth Proportional to 254,824.92, 351,660.67 and 138,538.63
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Solution
The fourth proportional to 254,824.92, 351,660.67 and 138,538.63 is: 191,184.55
Step by Step Solution
- Step 1: Write the proportion equation
254,824.92 : 351,660.67 = 138,538.63 : x - Step 2: Convert to fraction form
254,824.92/351,660.67 = 138,538.63/x - Step 3: Cross multiply
254,824.92x = 351,660.67 × 138,538.63 - Step 4: Simplify right side
254,824.92x = 48,718,587,446.68 - Step 5: Solve for x
x = 48,718,587,446.68/254,824.92 - Step 6: Final answer
x = 191,184.55
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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.