Finding the Fourth Proportional to 234,787.41, 323,647.12 and 143,974.98
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Solution
The fourth proportional to 234,787.41, 323,647.12 and 143,974.98 is: 198,465.02
Step by Step Solution
- Step 1: Write the proportion equation
234,787.41 : 323,647.12 = 143,974.98 : x - Step 2: Convert to fraction form
234,787.41/323,647.12 = 143,974.98/x - Step 3: Cross multiply
234,787.41x = 323,647.12 × 143,974.98 - Step 4: Simplify right side
234,787.41x = 46,597,087,809.03 - Step 5: Solve for x
x = 46,597,087,809.03/234,787.41 - Step 6: Final answer
x = 198,465.02
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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.