Finding the Fourth Proportional to 470,783.62, 649,673.69 and 255,929.09
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Solution
The fourth proportional to 470,783.62, 649,673.69 and 255,929.09 is: 353,177.96
Step by Step Solution
- Step 1: Write the proportion equation
470,783.62 : 649,673.69 = 255,929.09 : x - Step 2: Convert to fraction form
470,783.62/649,673.69 = 255,929.09/x - Step 3: Cross multiply
470,783.62x = 649,673.69 × 255,929.09 - Step 4: Simplify right side
470,783.62x = 166,270,396,278.64 - Step 5: Solve for x
x = 166,270,396,278.64/470,783.62 - Step 6: Final answer
x = 353,177.96
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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.