Finding the Fourth Proportional to 326,407.36, 489,660.36 and 115,995.28
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Solution
The fourth proportional to 326,407.36, 489,660.36 and 115,995.28 is: 174,010.45
Step by Step Solution
- Step 1: Write the proportion equation
326,407.36 : 489,660.36 = 115,995.28 : x - Step 2: Convert to fraction form
326,407.36/489,660.36 = 115,995.28/x - Step 3: Cross multiply
326,407.36x = 489,660.36 × 115,995.28 - Step 4: Simplify right side
326,407.36x = 56,798,290,563.10 - Step 5: Solve for x
x = 56,798,290,563.10/326,407.36 - Step 6: Final answer
x = 174,010.45
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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.