Finding the Fourth Proportional to 943,128.08, 1,414,951.16 and 278,280.08
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Solution
The fourth proportional to 943,128.08, 1,414,951.16 and 278,280.08 is: 417,496.55
Step by Step Solution
- Step 1: Write the proportion equation
943,128.08 : 1,414,951.16 = 278,280.08 : x - Step 2: Convert to fraction form
943,128.08/1,414,951.16 = 278,280.08/x - Step 3: Cross multiply
943,128.08x = 1,414,951.16 × 278,280.08 - Step 4: Simplify right side
943,128.08x = 393,752,722,000.89 - Step 5: Solve for x
x = 393,752,722,000.89/943,128.08 - Step 6: Final answer
x = 417,496.55
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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.