Finding the Fourth Proportional to 289,392.14, 433,931.65 and 229,803.99
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Solution
The fourth proportional to 289,392.14, 433,931.65 and 229,803.99 is: 344,581.65
Step by Step Solution
- Step 1: Write the proportion equation
289,392.14 : 433,931.65 = 229,803.99 : x - Step 2: Convert to fraction form
289,392.14/433,931.65 = 229,803.99/x - Step 3: Cross multiply
289,392.14x = 433,931.65 × 229,803.99 - Step 4: Simplify right side
289,392.14x = 99,719,222,355.53 - Step 5: Solve for x
x = 99,719,222,355.53/289,392.14 - Step 6: Final answer
x = 344,581.65
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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.