Finding the Fourth Proportional to 265,913.17, 398,873.25 and 88,420.19
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Solution
The fourth proportional to 265,913.17, 398,873.25 and 88,420.19 is: 132,631.45
Step by Step Solution
- Step 1: Write the proportion equation
265,913.17 : 398,873.25 = 88,420.19 : x - Step 2: Convert to fraction form
265,913.17/398,873.25 = 88,420.19/x - Step 3: Cross multiply
265,913.17x = 398,873.25 × 88,420.19 - Step 4: Simplify right side
265,913.17x = 35,268,448,550.92 - Step 5: Solve for x
x = 35,268,448,550.92/265,913.17 - Step 6: Final answer
x = 132,631.45
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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.