Finding the Fourth Proportional to 193,480.60, 266,988.58 and 108,581.26
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Solution
The fourth proportional to 193,480.60, 266,988.58 and 108,581.26 is: 149,833.92
Step by Step Solution
- Step 1: Write the proportion equation
193,480.60 : 266,988.58 = 108,581.26 : x - Step 2: Convert to fraction form
193,480.60/266,988.58 = 108,581.26/x - Step 3: Cross multiply
193,480.60x = 266,988.58 × 108,581.26 - Step 4: Simplify right side
193,480.60x = 28,989,956,422.01 - Step 5: Solve for x
x = 28,989,956,422.01/193,480.60 - Step 6: Final answer
x = 149,833.92
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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.