Finding the Fourth Proportional to 470,196.42, 649,313.92 and 327,347.08
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Solution
The fourth proportional to 470,196.42, 649,313.92 and 327,347.08 is: 452,047.29
Step by Step Solution
- Step 1: Write the proportion equation
470,196.42 : 649,313.92 = 327,347.08 : x - Step 2: Convert to fraction form
470,196.42/649,313.92 = 327,347.08/x - Step 3: Cross multiply
470,196.42x = 649,313.92 × 327,347.08 - Step 4: Simplify right side
470,196.42x = 212,551,015,715.35 - Step 5: Solve for x
x = 212,551,015,715.35/470,196.42 - Step 6: Final answer
x = 452,047.29
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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.