Finding the Fourth Proportional to 325,252.55, 487,615.86 and 135,858.02
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Solution
The fourth proportional to 325,252.55, 487,615.86 and 135,858.02 is: 203,677.18
Step by Step Solution
- Step 1: Write the proportion equation
325,252.55 : 487,615.86 = 135,858.02 : x - Step 2: Convert to fraction form
325,252.55/487,615.86 = 135,858.02/x - Step 3: Cross multiply
325,252.55x = 487,615.86 × 135,858.02 - Step 4: Simplify right side
325,252.55x = 66,246,522,822.12 - Step 5: Solve for x
x = 66,246,522,822.12/325,252.55 - Step 6: Final answer
x = 203,677.18
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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.