Finding the Fourth Proportional to 470,869.13, 649,825.97 and 256,004.57
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Solution
The fourth proportional to 470,869.13, 649,825.97 and 256,004.57 is: 353,300.75
Step by Step Solution
- Step 1: Write the proportion equation
470,869.13 : 649,825.97 = 256,004.57 : x - Step 2: Convert to fraction form
470,869.13/649,825.97 = 256,004.57/x - Step 3: Cross multiply
470,869.13x = 649,825.97 × 256,004.57 - Step 4: Simplify right side
470,869.13x = 166,358,418,369.23 - Step 5: Solve for x
x = 166,358,418,369.23/470,869.13 - Step 6: Final answer
x = 353,300.75
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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.