Finding the Fourth Proportional to 193,000.74, 266,419.17 and 125,076.02
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Solution
The fourth proportional to 193,000.74, 266,419.17 and 125,076.02 is: 172,655.55
Step by Step Solution
- Step 1: Write the proportion equation
193,000.74 : 266,419.17 = 125,076.02 : x - Step 2: Convert to fraction form
193,000.74/266,419.17 = 125,076.02/x - Step 3: Cross multiply
193,000.74x = 266,419.17 × 125,076.02 - Step 4: Simplify right side
193,000.74x = 33,322,648,103.21 - Step 5: Solve for x
x = 33,322,648,103.21/193,000.74 - Step 6: Final answer
x = 172,655.55
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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.