Finding the Fourth Proportional to 286,464.75, 395,357.81 and 173,288.31
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Solution
The fourth proportional to 286,464.75, 395,357.81 and 173,288.31 is: 239,159.92
Step by Step Solution
- Step 1: Write the proportion equation
286,464.75 : 395,357.81 = 173,288.31 : x - Step 2: Convert to fraction form
286,464.75/395,357.81 = 173,288.31/x - Step 3: Cross multiply
286,464.75x = 395,357.81 × 173,288.31 - Step 4: Simplify right side
286,464.75x = 68,510,885,873.76 - Step 5: Solve for x
x = 68,510,885,873.76/286,464.75 - Step 6: Final answer
x = 239,159.92
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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.