Finding the Fourth Proportional to 193,014.78, 266,353.14 and 106,975.23
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Solution
The fourth proportional to 193,014.78, 266,353.14 and 106,975.23 is: 147,621.80
Step by Step Solution
- Step 1: Write the proportion equation
193,014.78 : 266,353.14 = 106,975.23 : x - Step 2: Convert to fraction form
193,014.78/266,353.14 = 106,975.23/x - Step 3: Cross multiply
193,014.78x = 266,353.14 × 106,975.23 - Step 4: Simplify right side
193,014.78x = 28,493,188,412.72 - Step 5: Solve for x
x = 28,493,188,412.72/193,014.78 - Step 6: Final answer
x = 147,621.80
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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.