Finding the Fourth Proportional to 272,581.97, 376,163.07 and 151,720.66
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Solution
The fourth proportional to 272,581.97, 376,163.07 and 151,720.66 is: 209,374.48
Step by Step Solution
- Step 1: Write the proportion equation
272,581.97 : 376,163.07 = 151,720.66 : x - Step 2: Convert to fraction form
272,581.97/376,163.07 = 151,720.66/x - Step 3: Cross multiply
272,581.97x = 376,163.07 × 151,720.66 - Step 4: Simplify right side
272,581.97x = 57,071,709,248.03 - Step 5: Solve for x
x = 57,071,709,248.03/272,581.97 - Step 6: Final answer
x = 209,374.48
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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.