Finding the Fourth Proportional to 470,897.25, 649,820.28 and 256,037.49
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Solution
The fourth proportional to 470,897.25, 649,820.28 and 256,037.49 is: 353,321.99
Step by Step Solution
- Step 1: Write the proportion equation
470,897.25 : 649,820.28 = 256,037.49 : x - Step 2: Convert to fraction form
470,897.25/649,820.28 = 256,037.49/x - Step 3: Cross multiply
470,897.25x = 649,820.28 × 256,037.49 - Step 4: Simplify right side
470,897.25x = 166,378,353,442.30 - Step 5: Solve for x
x = 166,378,353,442.30/470,897.25 - Step 6: Final answer
x = 353,321.99
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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.