Finding the Fourth Proportional to 291,902.70, 436,932.45 and 282,686.70
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Solution
The fourth proportional to 291,902.70, 436,932.45 and 282,686.70 is: 423,137.55
Step by Step Solution
- Step 1: Write the proportion equation
291,902.70 : 436,932.45 = 282,686.70 : x - Step 2: Convert to fraction form
291,902.70/436,932.45 = 282,686.70/x - Step 3: Cross multiply
291,902.70x = 436,932.45 × 282,686.70 - Step 4: Simplify right side
291,902.70x = 123,514,992,413.42 - Step 5: Solve for x
x = 123,514,992,413.42/291,902.70 - Step 6: Final answer
x = 423,137.55
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1.5x scale
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.