Finding the Fourth Proportional to 324,908.84, 487,313.04 and 125,322.68
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Solution
The fourth proportional to 324,908.84, 487,313.04 and 125,322.68 is: 187,964.65
Step by Step Solution
- Step 1: Write the proportion equation
324,908.84 : 487,313.04 = 125,322.68 : x - Step 2: Convert to fraction form
324,908.84/487,313.04 = 125,322.68/x - Step 3: Cross multiply
324,908.84x = 487,313.04 × 125,322.68 - Step 4: Simplify right side
324,908.84x = 61,071,376,171.75 - Step 5: Solve for x
x = 61,071,376,171.75/324,908.84 - Step 6: Final answer
x = 187,964.65
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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.