Finding the Fourth Proportional to 304,418.12, 420,141.57 and 175,331.77
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Solution
The fourth proportional to 304,418.12, 420,141.57 and 175,331.77 is: 241,983.52
Step by Step Solution
- Step 1: Write the proportion equation
304,418.12 : 420,141.57 = 175,331.77 : x - Step 2: Convert to fraction form
304,418.12/420,141.57 = 175,331.77/x - Step 3: Cross multiply
304,418.12x = 420,141.57 × 175,331.77 - Step 4: Simplify right side
304,418.12x = 73,664,165,774.13 - Step 5: Solve for x
x = 73,664,165,774.13/304,418.12 - Step 6: Final answer
x = 241,983.52
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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.