Finding the Fourth Proportional to 98,187.38, 135,498.58 and 53,475.38
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Solution
The fourth proportional to 98,187.38, 135,498.58 and 53,475.38 is: 73,796.02
Step by Step Solution
- Step 1: Write the proportion equation
98,187.38 : 135,498.58 = 53,475.38 : x - Step 2: Convert to fraction form
98,187.38/135,498.58 = 53,475.38/x - Step 3: Cross multiply
98,187.38x = 135,498.58 × 53,475.38 - Step 4: Simplify right side
98,187.38x = 7,245,838,054.96 - Step 5: Solve for x
x = 7,245,838,054.96/98,187.38 - Step 6: Final answer
x = 73,796.02
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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.