Finding the Fourth Proportional to 215,829.41, 297,844.76 and 120,334.19
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Solution
The fourth proportional to 215,829.41, 297,844.76 and 120,334.19 is: 166,061.28
Step by Step Solution
- Step 1: Write the proportion equation
215,829.41 : 297,844.76 = 120,334.19 : x - Step 2: Convert to fraction form
215,829.41/297,844.76 = 120,334.19/x - Step 3: Cross multiply
215,829.41x = 297,844.76 × 120,334.19 - Step 4: Simplify right side
215,829.41x = 35,840,906,751.96 - Step 5: Solve for x
x = 35,840,906,751.96/215,829.41 - Step 6: Final answer
x = 166,061.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.