Finding the Fourth Proportional to 470,873.64, 649,832.17 and 256,009.08
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Solution
The fourth proportional to 470,873.64, 649,832.17 and 256,009.08 is: 353,306.96
Step by Step Solution
- Step 1: Write the proportion equation
470,873.64 : 649,832.17 = 256,009.08 : x - Step 2: Convert to fraction form
470,873.64/649,832.17 = 256,009.08/x - Step 3: Cross multiply
470,873.64x = 649,832.17 × 256,009.08 - Step 4: Simplify right side
470,873.64x = 166,362,935,996.10 - Step 5: Solve for x
x = 166,362,935,996.10/470,873.64 - Step 6: Final answer
x = 353,306.96
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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.