Finding the Fourth Proportional to 586,036.56, 879,054.76 and 211,972.08
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Solution
The fourth proportional to 586,036.56, 879,054.76 and 211,972.08 is: 317,958.09
Step by Step Solution
- Step 1: Write the proportion equation
586,036.56 : 879,054.76 = 211,972.08 : x - Step 2: Convert to fraction form
586,036.56/879,054.76 = 211,972.08/x - Step 3: Cross multiply
586,036.56x = 879,054.76 × 211,972.08 - Step 4: Simplify right side
586,036.56x = 186,335,065,911.10 - Step 5: Solve for x
x = 186,335,065,911.10/586,036.56 - Step 6: Final answer
x = 317,958.09
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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.