Finding the Fourth Proportional to 283,808.60, 425,714.60 and 84,130.70
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Solution
The fourth proportional to 283,808.60, 425,714.60 and 84,130.70 is: 126,196.54
Step by Step Solution
- Step 1: Write the proportion equation
283,808.60 : 425,714.60 = 84,130.70 : x - Step 2: Convert to fraction form
283,808.60/425,714.60 = 84,130.70/x - Step 3: Cross multiply
283,808.60x = 425,714.60 × 84,130.70 - Step 4: Simplify right side
283,808.60x = 35,815,664,748.99 - Step 5: Solve for x
x = 35,815,664,748.99/283,808.60 - Step 6: Final answer
x = 126,196.54
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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.