Finding the Fourth Proportional to 399,585.06, 599,497.86 and 119,102.28
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Solution
The fourth proportional to 399,585.06, 599,497.86 and 119,102.28 is: 178,689.27
Step by Step Solution
- Step 1: Write the proportion equation
399,585.06 : 599,497.86 = 119,102.28 : x - Step 2: Convert to fraction form
399,585.06/599,497.86 = 119,102.28/x - Step 3: Cross multiply
399,585.06x = 599,497.86 × 119,102.28 - Step 4: Simplify right side
399,585.06x = 71,401,561,981.12 - Step 5: Solve for x
x = 71,401,561,981.12/399,585.06 - Step 6: Final answer
x = 178,689.27
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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.