Finding the Fourth Proportional to 415,123.36, 622,739.04 and 148,913.08
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Solution
The fourth proportional to 415,123.36, 622,739.04 and 148,913.08 is: 223,388.99
Step by Step Solution
- Step 1: Write the proportion equation
415,123.36 : 622,739.04 = 148,913.08 : x - Step 2: Convert to fraction form
415,123.36/622,739.04 = 148,913.08/x - Step 3: Cross multiply
415,123.36x = 622,739.04 × 148,913.08 - Step 4: Simplify right side
415,123.36x = 92,733,988,482.64 - Step 5: Solve for x
x = 92,733,988,482.64/415,123.36 - Step 6: Final answer
x = 223,388.99
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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.