Finding the Fourth Proportional to 193,465.02, 266,977.98 and 107,419.53
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Solution
The fourth proportional to 193,465.02, 266,977.98 and 107,419.53 is: 148,236.87
Step by Step Solution
- Step 1: Write the proportion equation
193,465.02 : 266,977.98 = 107,419.53 : x - Step 2: Convert to fraction form
193,465.02/266,977.98 = 107,419.53/x - Step 3: Cross multiply
193,465.02x = 266,977.98 × 107,419.53 - Step 4: Simplify right side
193,465.02x = 28,678,649,131.95 - Step 5: Solve for x
x = 28,678,649,131.95/193,465.02 - Step 6: Final answer
x = 148,236.87
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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.