Finding the Fourth Proportional to 245,318.54, 367,977.52 and 76,851.99
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Solution
The fourth proportional to 245,318.54, 367,977.52 and 76,851.99 is: 115,277.89
Step by Step Solution
- Step 1: Write the proportion equation
245,318.54 : 367,977.52 = 76,851.99 : x - Step 2: Convert to fraction form
245,318.54/367,977.52 = 76,851.99/x - Step 3: Cross multiply
245,318.54x = 367,977.52 × 76,851.99 - Step 4: Simplify right side
245,318.54x = 28,279,804,495.13 - Step 5: Solve for x
x = 28,279,804,495.13/245,318.54 - Step 6: Final answer
x = 115,277.89
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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.