Finding the Fourth Proportional to 248,862.12, 343,419.84 and 146,920.42
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Solution
The fourth proportional to 248,862.12, 343,419.84 and 146,920.42 is: 202,744.34
Step by Step Solution
- Step 1: Write the proportion equation
248,862.12 : 343,419.84 = 146,920.42 : x - Step 2: Convert to fraction form
248,862.12/343,419.84 = 146,920.42/x - Step 3: Cross multiply
248,862.12x = 343,419.84 × 146,920.42 - Step 4: Simplify right side
248,862.12x = 50,455,387,129.13 - Step 5: Solve for x
x = 50,455,387,129.13/248,862.12 - Step 6: Final answer
x = 202,744.34
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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.