Finding the Fourth Proportional to 199,532.41, 299,403.71 and 115,351.71
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Solution
The fourth proportional to 199,532.41, 299,403.71 and 115,351.71 is: 173,088.31
Step by Step Solution
- Step 1: Write the proportion equation
199,532.41 : 299,403.71 = 115,351.71 : x - Step 2: Convert to fraction form
199,532.41/299,403.71 = 115,351.71/x - Step 3: Cross multiply
199,532.41x = 299,403.71 × 115,351.71 - Step 4: Simplify right side
199,532.41x = 34,536,728,431.83 - Step 5: Solve for x
x = 34,536,728,431.83/199,532.41 - Step 6: Final answer
x = 173,088.31
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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.