Finding the Fourth Proportional to 256,125.84, 353,125.06 and 210,015.60
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Solution
The fourth proportional to 256,125.84, 353,125.06 and 210,015.60 is: 289,552.09
Step by Step Solution
- Step 1: Write the proportion equation
256,125.84 : 353,125.06 = 210,015.60 : x - Step 2: Convert to fraction form
256,125.84/353,125.06 = 210,015.60/x - Step 3: Cross multiply
256,125.84x = 353,125.06 × 210,015.60 - Step 4: Simplify right side
256,125.84x = 74,161,771,350.94 - Step 5: Solve for x
x = 74,161,771,350.94/256,125.84 - Step 6: Final answer
x = 289,552.09
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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.