Finding the Fourth Proportional to 154,043.24, 212,593.86 and 93,599.88
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Solution
The fourth proportional to 154,043.24, 212,593.86 and 93,599.88 is: 129,176.46
Step by Step Solution
- Step 1: Write the proportion equation
154,043.24 : 212,593.86 = 93,599.88 : x - Step 2: Convert to fraction form
154,043.24/212,593.86 = 93,599.88/x - Step 3: Cross multiply
154,043.24x = 212,593.86 × 93,599.88 - Step 4: Simplify right side
154,043.24x = 19,898,759,784.74 - Step 5: Solve for x
x = 19,898,759,784.74/154,043.24 - Step 6: Final answer
x = 129,176.46
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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.