Finding the Fourth Proportional to 248,977.54, 343,618.05 and 141,563.67
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Solution
The fourth proportional to 248,977.54, 343,618.05 and 141,563.67 is: 195,374.38
Step by Step Solution
- Step 1: Write the proportion equation
248,977.54 : 343,618.05 = 141,563.67 : x - Step 2: Convert to fraction form
248,977.54/343,618.05 = 141,563.67/x - Step 3: Cross multiply
248,977.54x = 343,618.05 × 141,563.67 - Step 4: Simplify right side
248,977.54x = 48,643,832,236.24 - Step 5: Solve for x
x = 48,643,832,236.24/248,977.54 - Step 6: Final answer
x = 195,374.38
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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.