Finding the Fourth Proportional to 145,861.24, 201,355.71 and 85,423.48
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Solution
The fourth proportional to 145,861.24, 201,355.71 and 85,423.48 is: 117,923.76
Step by Step Solution
- Step 1: Write the proportion equation
145,861.24 : 201,355.71 = 85,423.48 : x - Step 2: Convert to fraction form
145,861.24/201,355.71 = 85,423.48/x - Step 3: Cross multiply
145,861.24x = 201,355.71 × 85,423.48 - Step 4: Simplify right side
145,861.24x = 17,200,505,466.07 - Step 5: Solve for x
x = 17,200,505,466.07/145,861.24 - Step 6: Final answer
x = 117,923.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.