Finding the Fourth Proportional to 301,024.05, 415,431.83 and 166,888.05
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Solution
The fourth proportional to 301,024.05, 415,431.83 and 166,888.05 is: 230,315.84
Step by Step Solution
- Step 1: Write the proportion equation
301,024.05 : 415,431.83 = 166,888.05 : x - Step 2: Convert to fraction form
301,024.05/415,431.83 = 166,888.05/x - Step 3: Cross multiply
301,024.05x = 415,431.83 × 166,888.05 - Step 4: Simplify right side
301,024.05x = 69,330,607,182.19 - Step 5: Solve for x
x = 69,330,607,182.19/301,024.05 - Step 6: Final answer
x = 230,315.84
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1.5x scale
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.