Finding the Fourth Proportional to 354,350.05, 531,774.14 and 320,470.68
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Solution
The fourth proportional to 354,350.05, 531,774.14 and 320,470.68 is: 480,931.28
Step by Step Solution
- Step 1: Write the proportion equation
354,350.05 : 531,774.14 = 320,470.68 : x - Step 2: Convert to fraction form
354,350.05/531,774.14 = 320,470.68/x - Step 3: Cross multiply
354,350.05x = 531,774.14 × 320,470.68 - Step 4: Simplify right side
354,350.05x = 170,418,022,382.83 - Step 5: Solve for x
x = 170,418,022,382.83/354,350.05 - Step 6: Final answer
x = 480,931.28
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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.