Finding the Fourth Proportional to 159,615.36, 239,480.28 and 68,392.44
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Solution
The fourth proportional to 159,615.36, 239,480.28 and 68,392.44 is: 102,613.19
Step by Step Solution
- Step 1: Write the proportion equation
159,615.36 : 239,480.28 = 68,392.44 : x - Step 2: Convert to fraction form
159,615.36/239,480.28 = 68,392.44/x - Step 3: Cross multiply
159,615.36x = 239,480.28 × 68,392.44 - Step 4: Simplify right side
159,615.36x = 16,378,640,681.08 - Step 5: Solve for x
x = 16,378,640,681.08/159,615.36 - Step 6: Final answer
x = 102,613.19
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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.