Finding the Fourth Proportional to 445,989.56, 615,456.84 and 252,393.68
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Solution
The fourth proportional to 445,989.56, 615,456.84 and 252,393.68 is: 348,298.32
Step by Step Solution
- Step 1: Write the proportion equation
445,989.56 : 615,456.84 = 252,393.68 : x - Step 2: Convert to fraction form
445,989.56/615,456.84 = 252,393.68/x - Step 3: Cross multiply
445,989.56x = 615,456.84 × 252,393.68 - Step 4: Simplify right side
445,989.56x = 155,337,413,651.49 - Step 5: Solve for x
x = 155,337,413,651.49/445,989.56 - Step 6: Final answer
x = 348,298.32
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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.