Finding the Fourth Proportional to 281,648.24, 388,690.14 and 160,828.34
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Solution
The fourth proportional to 281,648.24, 388,690.14 and 160,828.34 is: 221,952.00
Step by Step Solution
- Step 1: Write the proportion equation
281,648.24 : 388,690.14 = 160,828.34 : x - Step 2: Convert to fraction form
281,648.24/388,690.14 = 160,828.34/x - Step 3: Cross multiply
281,648.24x = 388,690.14 × 160,828.34 - Step 4: Simplify right side
281,648.24x = 62,512,389,990.57 - Step 5: Solve for x
x = 62,512,389,990.57/281,648.24 - Step 6: Final answer
x = 221,952.00
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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.