Finding the Fourth Proportional to 306,947.03, 423,591.41 and 177,895.05
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Solution
The fourth proportional to 306,947.03, 423,591.41 and 177,895.05 is: 245,497.77
Step by Step Solution
- Step 1: Write the proportion equation
306,947.03 : 423,591.41 = 177,895.05 : x - Step 2: Convert to fraction form
306,947.03/423,591.41 = 177,895.05/x - Step 3: Cross multiply
306,947.03x = 423,591.41 × 177,895.05 - Step 4: Simplify right side
306,947.03x = 75,354,812,917.13 - Step 5: Solve for x
x = 75,354,812,917.13/306,947.03 - Step 6: Final answer
x = 245,497.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.