Finding the Fourth Proportional to 283,640.70, 425,461.05 and 96,658.30
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Solution
The fourth proportional to 283,640.70, 425,461.05 and 96,658.30 is: 144,987.45
Step by Step Solution
- Step 1: Write the proportion equation
283,640.70 : 425,461.05 = 96,658.30 : x - Step 2: Convert to fraction form
283,640.70/425,461.05 = 96,658.30/x - Step 3: Cross multiply
283,640.70x = 425,461.05 × 96,658.30 - Step 4: Simplify right side
283,640.70x = 41,124,341,809.22 - Step 5: Solve for x
x = 41,124,341,809.22/283,640.70 - Step 6: Final answer
x = 144,987.45
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1.5x scale
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.