Finding the Fourth Proportional to 447,954.21, 618,176.84 and 246,750.21
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Solution
The fourth proportional to 447,954.21, 618,176.84 and 246,750.21 is: 340,515.30
Step by Step Solution
- Step 1: Write the proportion equation
447,954.21 : 618,176.84 = 246,750.21 : x - Step 2: Convert to fraction form
447,954.21/618,176.84 = 246,750.21/x - Step 3: Cross multiply
447,954.21x = 618,176.84 × 246,750.21 - Step 4: Simplify right side
447,954.21x = 152,535,263,853.39 - Step 5: Solve for x
x = 152,535,263,853.39/447,954.21 - Step 6: Final answer
x = 340,515.30
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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.