Finding the Fourth Proportional to 248,854.95, 343,405.03 and 141,410.07
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Solution
The fourth proportional to 248,854.95, 343,405.03 and 141,410.07 is: 195,137.49
Step by Step Solution
- Step 1: Write the proportion equation
248,854.95 : 343,405.03 = 141,410.07 : x - Step 2: Convert to fraction form
248,854.95/343,405.03 = 141,410.07/x - Step 3: Cross multiply
248,854.95x = 343,405.03 × 141,410.07 - Step 4: Simplify right side
248,854.95x = 48,560,929,330.65 - Step 5: Solve for x
x = 48,560,929,330.65/248,854.95 - Step 6: Final answer
x = 195,137.49
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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.