Finding the Fourth Proportional to 302,739.36, 417,775.36 and 166,786.24
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Solution
The fourth proportional to 302,739.36, 417,775.36 and 166,786.24 is: 230,162.28
Step by Step Solution
- Step 1: Write the proportion equation
302,739.36 : 417,775.36 = 166,786.24 : x - Step 2: Convert to fraction form
302,739.36/417,775.36 = 166,786.24/x - Step 3: Cross multiply
302,739.36x = 417,775.36 × 166,786.24 - Step 4: Simplify right side
302,739.36x = 69,679,181,459.05 - Step 5: Solve for x
x = 69,679,181,459.05/302,739.36 - Step 6: Final answer
x = 230,162.28
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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.