Finding the Fourth Proportional to 283,724.80, 425,486.40 and 125,670.40
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Solution
The fourth proportional to 283,724.80, 425,486.40 and 125,670.40 is: 188,460.95
Step by Step Solution
- Step 1: Write the proportion equation
283,724.80 : 425,486.40 = 125,670.40 : x - Step 2: Convert to fraction form
283,724.80/425,486.40 = 125,670.40/x - Step 3: Cross multiply
283,724.80x = 425,486.40 × 125,670.40 - Step 4: Simplify right side
283,724.80x = 53,471,046,082.56 - Step 5: Solve for x
x = 53,471,046,082.56/283,724.80 - Step 6: Final answer
x = 188,460.95
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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.