Finding the Fourth Proportional to 151,907.00, 209,649.47 and 91,508.13
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Solution
The fourth proportional to 151,907.00, 209,649.47 and 91,508.13 is: 126,291.95
Step by Step Solution
- Step 1: Write the proportion equation
151,907.00 : 209,649.47 = 91,508.13 : x - Step 2: Convert to fraction form
151,907.00/209,649.47 = 91,508.13/x - Step 3: Cross multiply
151,907.00x = 209,649.47 × 91,508.13 - Step 4: Simplify right side
151,907.00x = 19,184,630,497.65 - Step 5: Solve for x
x = 19,184,630,497.65/151,907.00 - Step 6: Final answer
x = 126,291.95
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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.