Finding the Fourth Proportional to 447,857.84, 618,015.36 and 246,653.84
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Solution
The fourth proportional to 447,857.84, 618,015.36 and 246,653.84 is: 340,366.63
Step by Step Solution
- Step 1: Write the proportion equation
447,857.84 : 618,015.36 = 246,653.84 : x - Step 2: Convert to fraction form
447,857.84/618,015.36 = 246,653.84/x - Step 3: Cross multiply
447,857.84x = 618,015.36 × 246,653.84 - Step 4: Simplify right side
447,857.84x = 152,435,861,722.98 - Step 5: Solve for x
x = 152,435,861,722.98/447,857.84 - Step 6: Final answer
x = 340,366.63
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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.