Finding the Fourth Proportional to 268,668.18, 371,011.08 and 173,338.74
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Solution
The fourth proportional to 268,668.18, 371,011.08 and 173,338.74 is: 239,368.11
Step by Step Solution
- Step 1: Write the proportion equation
268,668.18 : 371,011.08 = 173,338.74 : x - Step 2: Convert to fraction form
268,668.18/371,011.08 = 173,338.74/x - Step 3: Cross multiply
268,668.18x = 371,011.08 × 173,338.74 - Step 4: Simplify right side
268,668.18x = 64,310,593,133.24 - Step 5: Solve for x
x = 64,310,593,133.24/268,668.18 - Step 6: Final answer
x = 239,368.11
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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.