Finding the Fourth Proportional to 447,996.70, 618,235.17 and 246,792.70
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Solution
The fourth proportional to 447,996.70, 618,235.17 and 246,792.70 is: 340,573.77
Step by Step Solution
- Step 1: Write the proportion equation
447,996.70 : 618,235.17 = 246,792.70 : x - Step 2: Convert to fraction form
447,996.70/618,235.17 = 246,792.70/x - Step 3: Cross multiply
447,996.70x = 618,235.17 × 246,792.70 - Step 4: Simplify right side
447,996.70x = 152,575,923,131.10 - Step 5: Solve for x
x = 152,575,923,131.10/447,996.70 - Step 6: Final answer
x = 340,573.77
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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.