Finding the Fourth Proportional to 248,853.84, 343,447.95 and 157,106.44
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Solution
The fourth proportional to 248,853.84, 343,447.95 and 157,106.44 is: 216,825.61
Step by Step Solution
- Step 1: Write the proportion equation
248,853.84 : 343,447.95 = 157,106.44 : x - Step 2: Convert to fraction form
248,853.84/343,447.95 = 157,106.44/x - Step 3: Cross multiply
248,853.84x = 343,447.95 × 157,106.44 - Step 4: Simplify right side
248,853.84x = 53,957,884,749.80 - Step 5: Solve for x
x = 53,957,884,749.80/248,853.84 - Step 6: Final answer
x = 216,825.61
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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.