Finding the Fourth Proportional to 455,954.68, 629,197.86 and 251,995.06
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Solution
The fourth proportional to 455,954.68, 629,197.86 and 251,995.06 is: 347,742.35
Step by Step Solution
- Step 1: Write the proportion equation
455,954.68 : 629,197.86 = 251,995.06 : x - Step 2: Convert to fraction form
455,954.68/629,197.86 = 251,995.06/x - Step 3: Cross multiply
455,954.68x = 629,197.86 × 251,995.06 - Step 4: Simplify right side
455,954.68x = 158,554,749,336.58 - Step 5: Solve for x
x = 158,554,749,336.58/455,954.68 - Step 6: Final answer
x = 347,742.35
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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.