Finding the Fourth Proportional to 133,272.73, 199,879.60 and 38,482.34
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Solution
The fourth proportional to 133,272.73, 199,879.60 and 38,482.34 is: 57,714.99
Step by Step Solution
- Step 1: Write the proportion equation
133,272.73 : 199,879.60 = 38,482.34 : x - Step 2: Convert to fraction form
133,272.73/199,879.60 = 38,482.34/x - Step 3: Cross multiply
133,272.73x = 199,879.60 × 38,482.34 - Step 4: Simplify right side
133,272.73x = 7,691,833,726.87 - Step 5: Solve for x
x = 7,691,833,726.87/133,272.73 - Step 6: Final answer
x = 57,714.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.