Finding the Fourth Proportional to 468,286.67, 645,796.95 and 310,844.08
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Solution
The fourth proportional to 468,286.67, 645,796.95 and 310,844.08 is: 428,673.66
Step by Step Solution
- Step 1: Write the proportion equation
468,286.67 : 645,796.95 = 310,844.08 : x - Step 2: Convert to fraction form
468,286.67/645,796.95 = 310,844.08/x - Step 3: Cross multiply
468,286.67x = 645,796.95 × 310,844.08 - Step 4: Simplify right side
468,286.67x = 200,742,160,179.64 - Step 5: Solve for x
x = 200,742,160,179.64/468,286.67 - Step 6: Final answer
x = 428,673.66
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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.