Finding the Fourth Proportional to 445,695.30, 615,138.12 and 264,507.12
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Solution
The fourth proportional to 445,695.30, 615,138.12 and 264,507.12 is: 365,066.48
Step by Step Solution
- Step 1: Write the proportion equation
445,695.30 : 615,138.12 = 264,507.12 : x - Step 2: Convert to fraction form
445,695.30/615,138.12 = 264,507.12/x - Step 3: Cross multiply
445,695.30x = 615,138.12 × 264,507.12 - Step 4: Simplify right side
445,695.30x = 162,708,412,523.41 - Step 5: Solve for x
x = 162,708,412,523.41/445,695.30 - Step 6: Final answer
x = 365,066.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.