Finding the Fourth Proportional to 306,059.70, 459,089.55 and 106,313.70
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Solution
The fourth proportional to 306,059.70, 459,089.55 and 106,313.70 is: 159,470.55
Step by Step Solution
- Step 1: Write the proportion equation
306,059.70 : 459,089.55 = 106,313.70 : x - Step 2: Convert to fraction form
306,059.70/459,089.55 = 106,313.70/x - Step 3: Cross multiply
306,059.70x = 459,089.55 × 106,313.70 - Step 4: Simplify right side
306,059.70x = 48,807,508,691.84 - Step 5: Solve for x
x = 48,807,508,691.84/306,059.70 - Step 6: Final answer
x = 159,470.55
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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.