Finding the Fourth Proportional to 447,911.62, 618,118.02 and 246,707.62
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Solution
The fourth proportional to 447,911.62, 618,118.02 and 246,707.62 is: 340,456.51
Step by Step Solution
- Step 1: Write the proportion equation
447,911.62 : 618,118.02 = 246,707.62 : x - Step 2: Convert to fraction form
447,911.62/618,118.02 = 246,707.62/x - Step 3: Cross multiply
447,911.62x = 618,118.02 × 246,707.62 - Step 4: Simplify right side
447,911.62x = 152,494,425,593.31 - Step 5: Solve for x
x = 152,494,425,593.31/447,911.62 - Step 6: Final answer
x = 340,456.51
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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.