Finding the Fourth Proportional to 265,417.02, 398,310.39 and 115,580.07
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Solution
The fourth proportional to 265,417.02, 398,310.39 and 115,580.07 is: 173,450.61
Step by Step Solution
- Step 1: Write the proportion equation
265,417.02 : 398,310.39 = 115,580.07 : x - Step 2: Convert to fraction form
265,417.02/398,310.39 = 115,580.07/x - Step 3: Cross multiply
265,417.02x = 398,310.39 × 115,580.07 - Step 4: Simplify right side
265,417.02x = 46,036,742,757.93 - Step 5: Solve for x
x = 46,036,742,757.93/265,417.02 - Step 6: Final answer
x = 173,450.61
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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.