Finding the Fourth Proportional to 272,588.62, 376,163.92 and 151,726.80
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Solution
The fourth proportional to 272,588.62, 376,163.92 and 151,726.80 is: 209,378.32
Step by Step Solution
- Step 1: Write the proportion equation
272,588.62 : 376,163.92 = 151,726.80 : x - Step 2: Convert to fraction form
272,588.62/376,163.92 = 151,726.80/x - Step 3: Cross multiply
272,588.62x = 376,163.92 × 151,726.80 - Step 4: Simplify right side
272,588.62x = 57,074,147,477.74 - Step 5: Solve for x
x = 57,074,147,477.74/272,588.62 - Step 6: Final answer
x = 209,378.32
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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.