Finding the Fourth Proportional to 331,405.10, 497,107.65 and 296,413.10
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Solution
The fourth proportional to 331,405.10, 497,107.65 and 296,413.10 is: 444,619.65
Step by Step Solution
- Step 1: Write the proportion equation
331,405.10 : 497,107.65 = 296,413.10 : x - Step 2: Convert to fraction form
331,405.10/497,107.65 = 296,413.10/x - Step 3: Cross multiply
331,405.10x = 497,107.65 × 296,413.10 - Step 4: Simplify right side
331,405.10x = 147,349,219,570.22 - Step 5: Solve for x
x = 147,349,219,570.22/331,405.10 - Step 6: Final answer
x = 444,619.65
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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.