Finding the Fourth Proportional to 289,163.84, 399,058.58 and 160,102.32
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Solution
The fourth proportional to 289,163.84, 399,058.58 and 160,102.32 is: 220,948.11
Step by Step Solution
- Step 1: Write the proportion equation
289,163.84 : 399,058.58 = 160,102.32 : x - Step 2: Convert to fraction form
289,163.84/399,058.58 = 160,102.32/x - Step 3: Cross multiply
289,163.84x = 399,058.58 × 160,102.32 - Step 4: Simplify right side
289,163.84x = 63,890,203,873.52 - Step 5: Solve for x
x = 63,890,203,873.52/289,163.84 - Step 6: Final answer
x = 220,948.11
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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.