Finding the Fourth Proportional to 470,556.84, 649,372.02 and 255,698.06
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Solution
The fourth proportional to 470,556.84, 649,372.02 and 255,698.06 is: 352,865.27
Step by Step Solution
- Step 1: Write the proportion equation
470,556.84 : 649,372.02 = 255,698.06 : x - Step 2: Convert to fraction form
470,556.84/649,372.02 = 255,698.06/x - Step 3: Cross multiply
470,556.84x = 649,372.02 × 255,698.06 - Step 4: Simplify right side
470,556.84x = 166,043,165,732.28 - Step 5: Solve for x
x = 166,043,165,732.28/470,556.84 - Step 6: Final answer
x = 352,865.27
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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.