Finding the Fourth Proportional to 265,899.35, 398,516.42 and 132,816.76
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Solution
The fourth proportional to 265,899.35, 398,516.42 and 132,816.76 is: 199,058.99
Step by Step Solution
- Step 1: Write the proportion equation
265,899.35 : 398,516.42 = 132,816.76 : x - Step 2: Convert to fraction form
265,899.35/398,516.42 = 132,816.76/x - Step 3: Cross multiply
265,899.35x = 398,516.42 × 132,816.76 - Step 4: Simplify right side
265,899.35x = 52,929,657,054.53 - Step 5: Solve for x
x = 52,929,657,054.53/265,899.35 - Step 6: Final answer
x = 199,058.99
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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.