Finding the Fourth Proportional to 331,632.63, 497,448.95 and 82,314.63
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Solution
The fourth proportional to 331,632.63, 497,448.95 and 82,314.63 is: 123,471.95
Step by Step Solution
- Step 1: Write the proportion equation
331,632.63 : 497,448.95 = 82,314.63 : x - Step 2: Convert to fraction form
331,632.63/497,448.95 = 82,314.63/x - Step 3: Cross multiply
331,632.63x = 497,448.95 × 82,314.63 - Step 4: Simplify right side
331,632.63x = 40,947,325,851.57 - Step 5: Solve for x
x = 40,947,325,851.57/331,632.63 - Step 6: Final answer
x = 123,471.95
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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.