Finding the Fourth Proportional to 248,700.84, 343,206.08 and 135,523.60
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Solution
The fourth proportional to 248,700.84, 343,206.08 and 135,523.60 is: 187,021.98
Step by Step Solution
- Step 1: Write the proportion equation
248,700.84 : 343,206.08 = 135,523.60 : x - Step 2: Convert to fraction form
248,700.84/343,206.08 = 135,523.60/x - Step 3: Cross multiply
248,700.84x = 343,206.08 × 135,523.60 - Step 4: Simplify right side
248,700.84x = 46,512,523,503.49 - Step 5: Solve for x
x = 46,512,523,503.49/248,700.84 - Step 6: Final answer
x = 187,021.98
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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.