Finding the Fourth Proportional to 400,027.36, 552,051.84 and 239,005.84
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Solution
The fourth proportional to 400,027.36, 552,051.84 and 239,005.84 is: 329,836.47
Step by Step Solution
- Step 1: Write the proportion equation
400,027.36 : 552,051.84 = 239,005.84 : x - Step 2: Convert to fraction form
400,027.36/552,051.84 = 239,005.84/x - Step 3: Cross multiply
400,027.36x = 552,051.84 × 239,005.84 - Step 4: Simplify right side
400,027.36x = 131,943,613,742.75 - Step 5: Solve for x
x = 131,943,613,742.75/400,027.36 - Step 6: Final answer
x = 329,836.47
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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.