Finding the Fourth Proportional to 193,381.55, 266,862.36 and 107,335.48
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Solution
The fourth proportional to 193,381.55, 266,862.36 and 107,335.48 is: 148,120.64
Step by Step Solution
- Step 1: Write the proportion equation
193,381.55 : 266,862.36 = 107,335.48 : x - Step 2: Convert to fraction form
193,381.55/266,862.36 = 107,335.48/x - Step 3: Cross multiply
193,381.55x = 266,862.36 × 107,335.48 - Step 4: Simplify right side
193,381.55x = 28,643,799,504.53 - Step 5: Solve for x
x = 28,643,799,504.53/193,381.55 - Step 6: Final answer
x = 148,120.64
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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.