Finding the Fourth Proportional to 319,357.95, 479,113.87 and 119,680.10
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Solution
The fourth proportional to 319,357.95, 479,113.87 and 119,680.10 is: 179,548.99
Step by Step Solution
- Step 1: Write the proportion equation
319,357.95 : 479,113.87 = 119,680.10 : x - Step 2: Convert to fraction form
319,357.95/479,113.87 = 119,680.10/x - Step 3: Cross multiply
319,357.95x = 479,113.87 × 119,680.10 - Step 4: Simplify right side
319,357.95x = 57,340,395,872.99 - Step 5: Solve for x
x = 57,340,395,872.99/319,357.95 - Step 6: Final answer
x = 179,548.99
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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.