Finding the Fourth Proportional to 470,749.29, 649,664.20 and 264,037.09
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Solution
The fourth proportional to 470,749.29, 649,664.20 and 264,037.09 is: 364,388.11
Step by Step Solution
- Step 1: Write the proportion equation
470,749.29 : 649,664.20 = 264,037.09 : x - Step 2: Convert to fraction form
470,749.29/649,664.20 = 264,037.09/x - Step 3: Cross multiply
470,749.29x = 649,664.20 × 264,037.09 - Step 4: Simplify right side
470,749.29x = 171,535,442,560.93 - Step 5: Solve for x
x = 171,535,442,560.93/470,749.29 - Step 6: Final answer
x = 364,388.11
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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.