Finding the Fourth Proportional to 283,729.20, 425,593.80 and 232,990.80
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Solution
The fourth proportional to 283,729.20, 425,593.80 and 232,990.80 is: 349,486.20
Step by Step Solution
- Step 1: Write the proportion equation
283,729.20 : 425,593.80 = 232,990.80 : x - Step 2: Convert to fraction form
283,729.20/425,593.80 = 232,990.80/x - Step 3: Cross multiply
283,729.20x = 425,593.80 × 232,990.80 - Step 4: Simplify right side
283,729.20x = 99,159,439,937.04 - Step 5: Solve for x
x = 99,159,439,937.04/283,729.20 - Step 6: Final answer
x = 349,486.20
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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.