Finding the Fourth Proportional to 325,236.04, 487,839.42 and 135,618.28
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Solution
The fourth proportional to 325,236.04, 487,839.42 and 135,618.28 is: 203,421.32
Step by Step Solution
- Step 1: Write the proportion equation
325,236.04 : 487,839.42 = 135,618.28 : x - Step 2: Convert to fraction form
325,236.04/487,839.42 = 135,618.28/x - Step 3: Cross multiply
325,236.04x = 487,839.42 × 135,618.28 - Step 4: Simplify right side
325,236.04x = 66,159,943,056.60 - Step 5: Solve for x
x = 66,159,943,056.60/325,236.04 - Step 6: Final answer
x = 203,421.32
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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.