Finding the Fourth Proportional to 447,920.70, 618,130.44 and 246,716.70
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Solution
The fourth proportional to 447,920.70, 618,130.44 and 246,716.70 is: 340,468.98
Step by Step Solution
- Step 1: Write the proportion equation
447,920.70 : 618,130.44 = 246,716.70 : x - Step 2: Convert to fraction form
447,920.70/618,130.44 = 246,716.70/x - Step 3: Cross multiply
447,920.70x = 618,130.44 × 246,716.70 - Step 4: Simplify right side
447,920.70x = 152,503,102,326.35 - Step 5: Solve for x
x = 152,503,102,326.35/447,920.70 - Step 6: Final answer
x = 340,468.98
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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.