Finding the Fourth Proportional to 306,797.36, 423,278.88 and 179,382.74
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Solution
The fourth proportional to 306,797.36, 423,278.88 and 179,382.74 is: 247,488.85
Step by Step Solution
- Step 1: Write the proportion equation
306,797.36 : 423,278.88 = 179,382.74 : x - Step 2: Convert to fraction form
306,797.36/423,278.88 = 179,382.74/x - Step 3: Cross multiply
306,797.36x = 423,278.88 × 179,382.74 - Step 4: Simplify right side
306,797.36x = 75,928,925,278.53 - Step 5: Solve for x
x = 75,928,925,278.53/306,797.36 - Step 6: Final answer
x = 247,488.85
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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.