Finding the Fourth Proportional to 237,343.85, 327,531.65 and 128,445.65
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Solution
The fourth proportional to 237,343.85, 327,531.65 and 128,445.65 is: 177,253.45
Step by Step Solution
- Step 1: Write the proportion equation
237,343.85 : 327,531.65 = 128,445.65 : x - Step 2: Convert to fraction form
237,343.85/327,531.65 = 128,445.65/x - Step 3: Cross multiply
237,343.85x = 327,531.65 × 128,445.65 - Step 4: Simplify right side
237,343.85x = 42,070,014,363.28 - Step 5: Solve for x
x = 42,070,014,363.28/237,343.85 - Step 6: Final answer
x = 177,253.45
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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.