Finding the Fourth Proportional to 447,830.94, 618,003.99 and 246,625.50
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Solution
The fourth proportional to 447,830.94, 618,003.99 and 246,625.50 is: 340,341.70
Step by Step Solution
- Step 1: Write the proportion equation
447,830.94 : 618,003.99 = 246,625.50 : x - Step 2: Convert to fraction form
447,830.94/618,003.99 = 246,625.50/x - Step 3: Cross multiply
447,830.94x = 618,003.99 × 246,625.50 - Step 4: Simplify right side
447,830.94x = 152,415,543,035.75 - Step 5: Solve for x
x = 152,415,543,035.75/447,830.94 - Step 6: Final answer
x = 340,341.70
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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.