Finding the Fourth Proportional to 454,228.20, 681,342.30 and 276,643.80
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Solution
The fourth proportional to 454,228.20, 681,342.30 and 276,643.80 is: 414,965.70
Step by Step Solution
- Step 1: Write the proportion equation
454,228.20 : 681,342.30 = 276,643.80 : x - Step 2: Convert to fraction form
454,228.20/681,342.30 = 276,643.80/x - Step 3: Cross multiply
454,228.20x = 681,342.30 × 276,643.80 - Step 4: Simplify right side
454,228.20x = 188,489,122,972.74 - Step 5: Solve for x
x = 188,489,122,972.74/454,228.20 - Step 6: Final answer
x = 414,965.70
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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.