Finding the Fourth Proportional to 150,514.84, 207,555.43 and 105,176.30
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Solution
The fourth proportional to 150,514.84, 207,555.43 and 105,176.30 is: 145,034.95
Step by Step Solution
- Step 1: Write the proportion equation
150,514.84 : 207,555.43 = 105,176.30 : x - Step 2: Convert to fraction form
150,514.84/207,555.43 = 105,176.30/x - Step 3: Cross multiply
150,514.84x = 207,555.43 × 105,176.30 - Step 4: Simplify right side
150,514.84x = 21,829,912,172.31 - Step 5: Solve for x
x = 21,829,912,172.31/150,514.84 - Step 6: Final answer
x = 145,034.95
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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.