Finding the Fourth Proportional to 378,901.80, 567,603.90 and 245,874.60
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Solution
The fourth proportional to 378,901.80, 567,603.90 and 245,874.60 is: 368,325.99
Step by Step Solution
- Step 1: Write the proportion equation
378,901.80 : 567,603.90 = 245,874.60 : x - Step 2: Convert to fraction form
378,901.80/567,603.90 = 245,874.60/x - Step 3: Cross multiply
378,901.80x = 567,603.90 × 245,874.60 - Step 4: Simplify right side
378,901.80x = 139,559,381,870.94 - Step 5: Solve for x
x = 139,559,381,870.94/378,901.80 - Step 6: Final answer
x = 368,325.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.