Finding the Fourth Proportional to 254,823.92, 351,659.29 and 138,537.63
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Solution
The fourth proportional to 254,823.92, 351,659.29 and 138,537.63 is: 191,183.17
Step by Step Solution
- Step 1: Write the proportion equation
254,823.92 : 351,659.29 = 138,537.63 : x - Step 2: Convert to fraction form
254,823.92/351,659.29 = 138,537.63/x - Step 3: Cross multiply
254,823.92x = 351,659.29 × 138,537.63 - Step 4: Simplify right side
254,823.92x = 48,718,045,506.54 - Step 5: Solve for x
x = 48,718,045,506.54/254,823.92 - Step 6: Final answer
x = 191,183.17
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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.