Finding the Fourth Proportional to 324,886.14, 487,001.97 and 135,451.35
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Solution
The fourth proportional to 324,886.14, 487,001.97 and 135,451.35 is: 203,040.59
Step by Step Solution
- Step 1: Write the proportion equation
324,886.14 : 487,001.97 = 135,451.35 : x - Step 2: Convert to fraction form
324,886.14/487,001.97 = 135,451.35/x - Step 3: Cross multiply
324,886.14x = 487,001.97 × 135,451.35 - Step 4: Simplify right side
324,886.14x = 65,965,074,289.16 - Step 5: Solve for x
x = 65,965,074,289.16/324,886.14 - Step 6: Final answer
x = 203,040.59
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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.