Finding the Fourth Proportional to 344,967.09, 517,450.68 and 155,205.78
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Solution
The fourth proportional to 344,967.09, 517,450.68 and 155,205.78 is: 232,808.69
Step by Step Solution
- Step 1: Write the proportion equation
344,967.09 : 517,450.68 = 155,205.78 : x - Step 2: Convert to fraction form
344,967.09/517,450.68 = 155,205.78/x - Step 3: Cross multiply
344,967.09x = 517,450.68 × 155,205.78 - Step 4: Simplify right side
344,967.09x = 80,311,336,400.93 - Step 5: Solve for x
x = 80,311,336,400.93/344,967.09 - Step 6: Final answer
x = 232,808.69
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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.