Finding the Fourth Proportional to 348,183.28, 522,313.94 and 312,424.75
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Solution
The fourth proportional to 348,183.28, 522,313.94 and 312,424.75 is: 468,672.14
Step by Step Solution
- Step 1: Write the proportion equation
348,183.28 : 522,313.94 = 312,424.75 : x - Step 2: Convert to fraction form
348,183.28/522,313.94 = 312,424.75/x - Step 3: Cross multiply
348,183.28x = 522,313.94 × 312,424.75 - Step 4: Simplify right side
348,183.28x = 163,183,802,126.02 - Step 5: Solve for x
x = 163,183,802,126.02/348,183.28 - Step 6: Final answer
x = 468,672.14
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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.