Finding the Fourth Proportional to 386,323.56, 533,104.74 and 225,204.84
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Solution
The fourth proportional to 386,323.56, 533,104.74 and 225,204.84 is: 310,769.99
Step by Step Solution
- Step 1: Write the proportion equation
386,323.56 : 533,104.74 = 225,204.84 : x - Step 2: Convert to fraction form
386,323.56/533,104.74 = 225,204.84/x - Step 3: Cross multiply
386,323.56x = 533,104.74 × 225,204.84 - Step 4: Simplify right side
386,323.56x = 120,057,767,674.94 - Step 5: Solve for x
x = 120,057,767,674.94/386,323.56 - Step 6: Final answer
x = 310,769.99
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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.