Finding the Fourth Proportional to 248,394.14, 372,366.51 and 90,585.62
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Solution
The fourth proportional to 248,394.14, 372,366.51 and 90,585.62 is: 135,796.49
Step by Step Solution
- Step 1: Write the proportion equation
248,394.14 : 372,366.51 = 90,585.62 : x - Step 2: Convert to fraction form
248,394.14/372,366.51 = 90,585.62/x - Step 3: Cross multiply
248,394.14x = 372,366.51 × 90,585.62 - Step 4: Simplify right side
248,394.14x = 33,731,051,175.59 - Step 5: Solve for x
x = 33,731,051,175.59/248,394.14 - Step 6: Final answer
x = 135,796.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.