Finding the Fourth Proportional to 402,416.28, 603,624.53 and 149,663.75
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Solution
The fourth proportional to 402,416.28, 603,624.53 and 149,663.75 is: 224,495.66
Step by Step Solution
- Step 1: Write the proportion equation
402,416.28 : 603,624.53 = 149,663.75 : x - Step 2: Convert to fraction form
402,416.28/603,624.53 = 149,663.75/x - Step 3: Cross multiply
402,416.28x = 603,624.53 × 149,663.75 - Step 4: Simplify right side
402,416.28x = 90,340,708,107.82 - Step 5: Solve for x
x = 90,340,708,107.82/402,416.28 - Step 6: Final answer
x = 224,495.66
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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.