Finding the Fourth Proportional to 324,971.68, 487,467.36 and 88,319.36
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Solution
The fourth proportional to 324,971.68, 487,467.36 and 88,319.36 is: 132,481.71
Step by Step Solution
- Step 1: Write the proportion equation
324,971.68 : 487,467.36 = 88,319.36 : x - Step 2: Convert to fraction form
324,971.68/487,467.36 = 88,319.36/x - Step 3: Cross multiply
324,971.68x = 487,467.36 × 88,319.36 - Step 4: Simplify right side
324,971.68x = 43,052,805,256.09 - Step 5: Solve for x
x = 43,052,805,256.09/324,971.68 - Step 6: Final answer
x = 132,481.71
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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.