Finding the Fourth Proportional to 265,497.60, 398,246.40 and 236,467.20
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Solution
The fourth proportional to 265,497.60, 398,246.40 and 236,467.20 is: 354,700.80
Step by Step Solution
- Step 1: Write the proportion equation
265,497.60 : 398,246.40 = 236,467.20 : x - Step 2: Convert to fraction form
265,497.60/398,246.40 = 236,467.20/x - Step 3: Cross multiply
265,497.60x = 398,246.40 × 236,467.20 - Step 4: Simplify right side
265,497.60x = 94,172,211,118.08 - Step 5: Solve for x
x = 94,172,211,118.08/265,497.60 - Step 6: Final answer
x = 354,700.80
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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.