Finding the Fourth Proportional to 176,269.09, 243,289.70 and 108,321.70
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Solution
The fourth proportional to 176,269.09, 243,289.70 and 108,321.70 is: 149,507.52
Step by Step Solution
- Step 1: Write the proportion equation
176,269.09 : 243,289.70 = 108,321.70 : x - Step 2: Convert to fraction form
176,269.09/243,289.70 = 108,321.70/x - Step 3: Cross multiply
176,269.09x = 243,289.70 × 108,321.70 - Step 4: Simplify right side
176,269.09x = 26,353,553,896.49 - Step 5: Solve for x
x = 26,353,553,896.49/176,269.09 - Step 6: Final answer
x = 149,507.52
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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.