Finding the Fourth Proportional to 162,707.81, 224,379.05 and 126,884.75
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Solution
The fourth proportional to 162,707.81, 224,379.05 and 126,884.75 is: 174,977.95
Step by Step Solution
- Step 1: Write the proportion equation
162,707.81 : 224,379.05 = 126,884.75 : x - Step 2: Convert to fraction form
162,707.81/224,379.05 = 126,884.75/x - Step 3: Cross multiply
162,707.81x = 224,379.05 × 126,884.75 - Step 4: Simplify right side
162,707.81x = 28,470,277,908.17 - Step 5: Solve for x
x = 28,470,277,908.17/162,707.81 - Step 6: Final answer
x = 174,977.95
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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.