Finding the Fourth Proportional to 213,615.36, 320,479.74 and 63,856.08
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Solution
The fourth proportional to 213,615.36, 320,479.74 and 63,856.08 is: 95,801.07
Step by Step Solution
- Step 1: Write the proportion equation
213,615.36 : 320,479.74 = 63,856.08 : x - Step 2: Convert to fraction form
213,615.36/320,479.74 = 63,856.08/x - Step 3: Cross multiply
213,615.36x = 320,479.74 × 63,856.08 - Step 4: Simplify right side
213,615.36x = 20,464,579,915.82 - Step 5: Solve for x
x = 20,464,579,915.82/213,615.36 - Step 6: Final answer
x = 95,801.07
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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.