Finding the Fourth Proportional to 401,071.08, 553,478.18 and 239,932.84
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Solution
The fourth proportional to 401,071.08, 553,478.18 and 239,932.84 is: 331,107.37
Step by Step Solution
- Step 1: Write the proportion equation
401,071.08 : 553,478.18 = 239,932.84 : x - Step 2: Convert to fraction form
401,071.08/553,478.18 = 239,932.84/x - Step 3: Cross multiply
401,071.08x = 553,478.18 × 239,932.84 - Step 4: Simplify right side
401,071.08x = 132,797,591,605.43 - Step 5: Solve for x
x = 132,797,591,605.43/401,071.08 - Step 6: Final answer
x = 331,107.37
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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.