Finding the Fourth Proportional to 126,318.24, 174,319.24 and 69,729.68
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Solution
The fourth proportional to 126,318.24, 174,319.24 and 69,729.68 is: 96,227.00
Step by Step Solution
- Step 1: Write the proportion equation
126,318.24 : 174,319.24 = 69,729.68 : x - Step 2: Convert to fraction form
126,318.24/174,319.24 = 69,729.68/x - Step 3: Cross multiply
126,318.24x = 174,319.24 × 69,729.68 - Step 4: Simplify right side
126,318.24x = 12,155,224,823.04 - Step 5: Solve for x
x = 12,155,224,823.04/126,318.24 - Step 6: Final answer
x = 96,227.00
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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.