Finding the Fourth Proportional to 378,657.92, 567,603.61 and 245,622.71
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Solution
The fourth proportional to 378,657.92, 567,603.61 and 245,622.71 is: 368,185.45
Step by Step Solution
- Step 1: Write the proportion equation
378,657.92 : 567,603.61 = 245,622.71 : x - Step 2: Convert to fraction form
378,657.92/567,603.61 = 245,622.71/x - Step 3: Cross multiply
378,657.92x = 567,603.61 × 245,622.71 - Step 4: Simplify right side
378,657.92x = 139,416,336,893.98 - Step 5: Solve for x
x = 139,416,336,893.98/378,657.92 - Step 6: Final answer
x = 368,185.45
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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.