Finding the Fourth Proportional to 248,901.27, 343,483.11 and 135,724.02
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Solution
The fourth proportional to 248,901.27, 343,483.11 and 135,724.02 is: 187,298.79
Step by Step Solution
- Step 1: Write the proportion equation
248,901.27 : 343,483.11 = 135,724.02 : x - Step 2: Convert to fraction form
248,901.27/343,483.11 = 135,724.02/x - Step 3: Cross multiply
248,901.27x = 343,483.11 × 135,724.02 - Step 4: Simplify right side
248,901.27x = 46,618,907,203.24 - Step 5: Solve for x
x = 46,618,907,203.24/248,901.27 - Step 6: Final answer
x = 187,298.79
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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.