Finding the Fourth Proportional to 193,479.09, 266,986.50 and 108,579.75
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Solution
The fourth proportional to 193,479.09, 266,986.50 and 108,579.75 is: 149,831.84
Step by Step Solution
- Step 1: Write the proportion equation
193,479.09 : 266,986.50 = 108,579.75 : x - Step 2: Convert to fraction form
193,479.09/266,986.50 = 108,579.75/x - Step 3: Cross multiply
193,479.09x = 266,986.50 × 108,579.75 - Step 4: Simplify right side
193,479.09x = 28,989,327,423.38 - Step 5: Solve for x
x = 28,989,327,423.38/193,479.09 - Step 6: Final answer
x = 149,831.84
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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.