Finding the Fourth Proportional to 199,389.97, 275,148.45 and 118,815.70
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Solution
The fourth proportional to 199,389.97, 275,148.45 and 118,815.70 is: 163,959.88
Step by Step Solution
- Step 1: Write the proportion equation
199,389.97 : 275,148.45 = 118,815.70 : x - Step 2: Convert to fraction form
199,389.97/275,148.45 = 118,815.70/x - Step 3: Cross multiply
199,389.97x = 275,148.45 × 118,815.70 - Step 4: Simplify right side
199,389.97x = 32,691,955,690.67 - Step 5: Solve for x
x = 32,691,955,690.67/199,389.97 - Step 6: Final answer
x = 163,959.88
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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.