Finding the Fourth Proportional to 193,167.92, 266,572.68 and 108,285.68
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Solution
The fourth proportional to 193,167.92, 266,572.68 and 108,285.68 is: 149,434.77
Step by Step Solution
- Step 1: Write the proportion equation
193,167.92 : 266,572.68 = 108,285.68 : x - Step 2: Convert to fraction form
193,167.92/266,572.68 = 108,285.68/x - Step 3: Cross multiply
193,167.92x = 266,572.68 × 108,285.68 - Step 4: Simplify right side
193,167.92x = 28,866,003,923.22 - Step 5: Solve for x
x = 28,866,003,923.22/193,167.92 - Step 6: Final answer
x = 149,434.77
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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.