Finding the Fourth Proportional to 325,235.04, 487,837.92 and 135,617.28
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Solution
The fourth proportional to 325,235.04, 487,837.92 and 135,617.28 is: 203,419.82
Step by Step Solution
- Step 1: Write the proportion equation
325,235.04 : 487,837.92 = 135,617.28 : x - Step 2: Convert to fraction form
325,235.04/487,837.92 = 135,617.28/x - Step 3: Cross multiply
325,235.04x = 487,837.92 × 135,617.28 - Step 4: Simplify right side
325,235.04x = 66,159,251,791.26 - Step 5: Solve for x
x = 66,159,251,791.26/325,235.04 - Step 6: Final answer
x = 203,419.82
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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.