Finding the Fourth Proportional to 245,178.09, 367,584.48 and 103,064.94
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Solution
The fourth proportional to 245,178.09, 367,584.48 and 103,064.94 is: 154,520.63
Step by Step Solution
- Step 1: Write the proportion equation
245,178.09 : 367,584.48 = 103,064.94 : x - Step 2: Convert to fraction form
245,178.09/367,584.48 = 103,064.94/x - Step 3: Cross multiply
245,178.09x = 367,584.48 × 103,064.94 - Step 4: Simplify right side
245,178.09x = 37,885,072,376.13 - Step 5: Solve for x
x = 37,885,072,376.13/245,178.09 - Step 6: Final answer
x = 154,520.63
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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.