Finding the Fourth Proportional to 455,240.91, 628,232.59 and 251,291.96
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Solution
The fourth proportional to 455,240.91, 628,232.59 and 251,291.96 is: 346,782.98
Step by Step Solution
- Step 1: Write the proportion equation
455,240.91 : 628,232.59 = 251,291.96 : x - Step 2: Convert to fraction form
455,240.91/628,232.59 = 251,291.96/x - Step 3: Cross multiply
455,240.91x = 628,232.59 × 251,291.96 - Step 4: Simplify right side
455,240.91x = 157,869,800,526.09 - Step 5: Solve for x
x = 157,869,800,526.09/455,240.91 - Step 6: Final answer
x = 346,782.98
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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.