Finding the Fourth Proportional to 363,504.49, 545,215.01 and 97,285.78
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Solution
The fourth proportional to 363,504.49, 545,215.01 and 97,285.78 is: 145,917.50
Step by Step Solution
- Step 1: Write the proportion equation
363,504.49 : 545,215.01 = 97,285.78 : x - Step 2: Convert to fraction form
363,504.49/545,215.01 = 97,285.78/x - Step 3: Cross multiply
363,504.49x = 545,215.01 × 97,285.78 - Step 4: Simplify right side
363,504.49x = 53,041,664,303.05 - Step 5: Solve for x
x = 53,041,664,303.05/363,504.49 - Step 6: Final answer
x = 145,917.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.