Finding the Fourth Proportional to 402,372.03, 603,558.26 and 149,619.68
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Solution
The fourth proportional to 402,372.03, 603,558.26 and 149,619.68 is: 224,429.59
Step by Step Solution
- Step 1: Write the proportion equation
402,372.03 : 603,558.26 = 149,619.68 : x - Step 2: Convert to fraction form
402,372.03/603,558.26 = 149,619.68/x - Step 3: Cross multiply
402,372.03x = 603,558.26 × 149,619.68 - Step 4: Simplify right side
402,372.03x = 90,304,191,078.81 - Step 5: Solve for x
x = 90,304,191,078.81/402,372.03 - Step 6: Final answer
x = 224,429.59
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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.