Finding the Fourth Proportional to 446,487.59, 669,788.19 and 146,997.99
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Solution
The fourth proportional to 446,487.59, 669,788.19 and 146,997.99 is: 220,515.69
Step by Step Solution
- Step 1: Write the proportion equation
446,487.59 : 669,788.19 = 146,997.99 : x - Step 2: Convert to fraction form
446,487.59/669,788.19 = 146,997.99/x - Step 3: Cross multiply
446,487.59x = 669,788.19 × 146,997.99 - Step 4: Simplify right side
446,487.59x = 98,457,517,655.74 - Step 5: Solve for x
x = 98,457,517,655.74/446,487.59 - Step 6: Final answer
x = 220,515.69
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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.