Finding the Fourth Proportional to 447,915.13, 618,122.90 and 246,711.13
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Solution
The fourth proportional to 447,915.13, 618,122.90 and 246,711.13 is: 340,461.37
Step by Step Solution
- Step 1: Write the proportion equation
447,915.13 : 618,122.90 = 246,711.13 : x - Step 2: Convert to fraction form
447,915.13/618,122.90 = 246,711.13/x - Step 3: Cross multiply
447,915.13x = 618,122.90 × 246,711.13 - Step 4: Simplify right side
447,915.13x = 152,497,799,137.88 - Step 5: Solve for x
x = 152,497,799,137.88/447,915.13 - Step 6: Final answer
x = 340,461.37
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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.