Finding the Fourth Proportional to 637,972.20, 957,395.70 and 283,240.80
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Solution
The fourth proportional to 637,972.20, 957,395.70 and 283,240.80 is: 425,055.39
Step by Step Solution
- Step 1: Write the proportion equation
637,972.20 : 957,395.70 = 283,240.80 : x - Step 2: Convert to fraction form
637,972.20/957,395.70 = 283,240.80/x - Step 3: Cross multiply
637,972.20x = 957,395.70 × 283,240.80 - Step 4: Simplify right side
637,972.20x = 271,173,523,984.56 - Step 5: Solve for x
x = 271,173,523,984.56/637,972.20 - Step 6: Final answer
x = 425,055.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.