Finding the Fourth Proportional to 248,595.36, 343,062.18 and 135,415.68
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Solution
The fourth proportional to 248,595.36, 343,062.18 and 135,415.68 is: 186,873.96
Step by Step Solution
- Step 1: Write the proportion equation
248,595.36 : 343,062.18 = 135,415.68 : x - Step 2: Convert to fraction form
248,595.36/343,062.18 = 135,415.68/x - Step 3: Cross multiply
248,595.36x = 343,062.18 × 135,415.68 - Step 4: Simplify right side
248,595.36x = 46,455,998,386.98 - Step 5: Solve for x
x = 46,455,998,386.98/248,595.36 - Step 6: Final answer
x = 186,873.96
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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.