Finding the Fourth Proportional to 470,852.30, 649,734.36 and 261,305.49
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Solution
The fourth proportional to 470,852.30, 649,734.36 and 261,305.49 is: 360,578.37
Step by Step Solution
- Step 1: Write the proportion equation
470,852.30 : 649,734.36 = 261,305.49 : x - Step 2: Convert to fraction form
470,852.30/649,734.36 = 261,305.49/x - Step 3: Cross multiply
470,852.30x = 649,734.36 × 261,305.49 - Step 4: Simplify right side
470,852.30x = 169,779,155,309.64 - Step 5: Solve for x
x = 169,779,155,309.64/470,852.30 - Step 6: Final answer
x = 360,578.37
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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.