Finding the Fourth Proportional to 400,028.36, 552,053.22 and 239,006.84
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Solution
The fourth proportional to 400,028.36, 552,053.22 and 239,006.84 is: 329,837.85
Step by Step Solution
- Step 1: Write the proportion equation
400,028.36 : 552,053.22 = 239,006.84 : x - Step 2: Convert to fraction form
400,028.36/552,053.22 = 239,006.84/x - Step 3: Cross multiply
400,028.36x = 552,053.22 × 239,006.84 - Step 4: Simplify right side
400,028.36x = 131,944,495,624.03 - Step 5: Solve for x
x = 131,944,495,624.03/400,028.36 - Step 6: Final answer
x = 329,837.85
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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.