Finding the Fourth Proportional to 265,515.74, 398,347.42 and 115,769.12
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Solution
The fourth proportional to 265,515.74, 398,347.42 and 115,769.12 is: 173,685.86
Step by Step Solution
- Step 1: Write the proportion equation
265,515.74 : 398,347.42 = 115,769.12 : x - Step 2: Convert to fraction form
265,515.74/398,347.42 = 115,769.12/x - Step 3: Cross multiply
265,515.74x = 398,347.42 × 115,769.12 - Step 4: Simplify right side
265,515.74x = 46,116,330,267.67 - Step 5: Solve for x
x = 46,116,330,267.67/265,515.74 - Step 6: Final answer
x = 173,685.86
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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.