Finding the Fourth Proportional to 193,272.48, 266,597.28 and 121,593.60
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Solution
The fourth proportional to 193,272.48, 266,597.28 and 121,593.60 is: 167,724.46
Step by Step Solution
- Step 1: Write the proportion equation
193,272.48 : 266,597.28 = 121,593.60 : x - Step 2: Convert to fraction form
193,272.48/266,597.28 = 121,593.60/x - Step 3: Cross multiply
193,272.48x = 266,597.28 × 121,593.60 - Step 4: Simplify right side
193,272.48x = 32,416,523,025.41 - Step 5: Solve for x
x = 32,416,523,025.41/193,272.48 - Step 6: Final answer
x = 167,724.46
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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.