Finding the Fourth Proportional to 154,125.76, 212,686.56 and 96,794.80
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Solution
The fourth proportional to 154,125.76, 212,686.56 and 96,794.80 is: 133,572.43
Step by Step Solution
- Step 1: Write the proportion equation
154,125.76 : 212,686.56 = 96,794.80 : x - Step 2: Convert to fraction form
154,125.76/212,686.56 = 96,794.80/x - Step 3: Cross multiply
154,125.76x = 212,686.56 × 96,794.80 - Step 4: Simplify right side
154,125.76x = 20,586,953,037.89 - Step 5: Solve for x
x = 20,586,953,037.89/154,125.76 - Step 6: Final answer
x = 133,572.43
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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.