Finding the Fourth Proportional to 248,747.40, 343,280.93 and 135,570.15
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Solution
The fourth proportional to 248,747.40, 343,280.93 and 135,570.15 is: 187,091.99
Step by Step Solution
- Step 1: Write the proportion equation
248,747.40 : 343,280.93 = 135,570.15 : x - Step 2: Convert to fraction form
248,747.40/343,280.93 = 135,570.15/x - Step 3: Cross multiply
248,747.40x = 343,280.93 × 135,570.15 - Step 4: Simplify right side
248,747.40x = 46,538,646,494.39 - Step 5: Solve for x
x = 46,538,646,494.39/248,747.40 - Step 6: Final answer
x = 187,091.99
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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.