Finding the Fourth Proportional to 288,768.40, 398,605.91 and 174,051.14
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Solution
The fourth proportional to 288,768.40, 398,605.91 and 174,051.14 is: 240,254.17
Step by Step Solution
- Step 1: Write the proportion equation
288,768.40 : 398,605.91 = 174,051.14 : x - Step 2: Convert to fraction form
288,768.40/398,605.91 = 174,051.14/x - Step 3: Cross multiply
288,768.40x = 398,605.91 × 174,051.14 - Step 4: Simplify right side
288,768.40x = 69,377,813,046.24 - Step 5: Solve for x
x = 69,377,813,046.24/288,768.40 - Step 6: Final answer
x = 240,254.17
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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.