Finding the Fourth Proportional to 445,935.12, 615,215.28 and 254,845.99
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Solution
The fourth proportional to 445,935.12, 615,215.28 and 254,845.99 is: 351,587.35
Step by Step Solution
- Step 1: Write the proportion equation
445,935.12 : 615,215.28 = 254,845.99 : x - Step 2: Convert to fraction form
445,935.12/615,215.28 = 254,845.99/x - Step 3: Cross multiply
445,935.12x = 615,215.28 × 254,845.99 - Step 4: Simplify right side
445,935.12x = 156,785,147,094.73 - Step 5: Solve for x
x = 156,785,147,094.73/445,935.12 - Step 6: Final answer
x = 351,587.35
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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.