Finding the Fourth Proportional to 265,363.14, 397,970.79 and 87,883.98
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Solution
The fourth proportional to 265,363.14, 397,970.79 and 87,883.98 is: 131,801.49
Step by Step Solution
- Step 1: Write the proportion equation
265,363.14 : 397,970.79 = 87,883.98 : x - Step 2: Convert to fraction form
265,363.14/397,970.79 = 87,883.98/x - Step 3: Cross multiply
265,363.14x = 397,970.79 × 87,883.98 - Step 4: Simplify right side
265,363.14x = 34,975,256,948.94 - Step 5: Solve for x
x = 34,975,256,948.94/265,363.14 - Step 6: Final answer
x = 131,801.49
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1.5x scale
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.