Finding the Fourth Proportional to 299,246.10, 448,869.15 and 274,751.70
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Solution
The fourth proportional to 299,246.10, 448,869.15 and 274,751.70 is: 412,127.55
Step by Step Solution
- Step 1: Write the proportion equation
299,246.10 : 448,869.15 = 274,751.70 : x - Step 2: Convert to fraction form
299,246.10/448,869.15 = 274,751.70/x - Step 3: Cross multiply
299,246.10x = 448,869.15 × 274,751.70 - Step 4: Simplify right side
299,246.10x = 123,327,562,040.06 - Step 5: Solve for x
x = 123,327,562,040.06/299,246.10 - Step 6: Final answer
x = 412,127.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.