Finding the Fourth Proportional to 455,786.84, 628,972.68 and 251,833.76
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Solution
The fourth proportional to 455,786.84, 628,972.68 and 251,833.76 is: 347,523.32
Step by Step Solution
- Step 1: Write the proportion equation
455,786.84 : 628,972.68 = 251,833.76 : x - Step 2: Convert to fraction form
455,786.84/628,972.68 = 251,833.76/x - Step 3: Cross multiply
455,786.84x = 628,972.68 × 251,833.76 - Step 4: Simplify right side
455,786.84x = 158,396,554,941.68 - Step 5: Solve for x
x = 158,396,554,941.68/455,786.84 - Step 6: Final answer
x = 347,523.32
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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.