Finding the Fourth Proportional to 289,983,442.60, 434,975,163.90 and 236,899,282.60
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Solution
The fourth proportional to 289,983,442.60, 434,975,163.90 and 236,899,282.60 is: 355,348,923.90
Step by Step Solution
- Step 1: Write the proportion equation
289,983,442.60 : 434,975,163.90 = 236,899,282.60 : x - Step 2: Convert to fraction form
289,983,442.60/434,975,163.90 = 236,899,282.60/x - Step 3: Cross multiply
289,983,442.60x = 434,975,163.90 × 236,899,282.60 - Step 4: Simplify right side
289,983,442.60x = 103,045,304,276,727,408 - Step 5: Solve for x
x = 103,045,304,276,727,408/289,983,442.60 - Step 6: Final answer
x = 355,348,923.90
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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.