Finding the Fourth Proportional to 399,964.56, 599,946.84 and 276,092.88
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Solution
The fourth proportional to 399,964.56, 599,946.84 and 276,092.88 is: 414,139.32
Step by Step Solution
- Step 1: Write the proportion equation
399,964.56 : 599,946.84 = 276,092.88 : x - Step 2: Convert to fraction form
399,964.56/599,946.84 = 276,092.88/x - Step 3: Cross multiply
399,964.56x = 599,946.84 × 276,092.88 - Step 4: Simplify right side
399,964.56x = 165,641,050,902.50 - Step 5: Solve for x
x = 165,641,050,902.50/399,964.56 - Step 6: Final answer
x = 414,139.32
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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.