Finding the Fourth Proportional to 248,952.28, 343,543.74 and 135,768.28
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Solution
The fourth proportional to 248,952.28, 343,543.74 and 135,768.28 is: 187,354.55
Step by Step Solution
- Step 1: Write the proportion equation
248,952.28 : 343,543.74 = 135,768.28 : x - Step 2: Convert to fraction form
248,952.28/343,543.74 = 135,768.28/x - Step 3: Cross multiply
248,952.28x = 343,543.74 × 135,768.28 - Step 4: Simplify right side
248,952.28x = 46,642,342,684.57 - Step 5: Solve for x
x = 46,642,342,684.57/248,952.28 - Step 6: Final answer
x = 187,354.55
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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.