Finding the Fourth Proportional to 456,853.14, 629,853.30 and 374,881.14
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Solution
The fourth proportional to 456,853.14, 629,853.30 and 374,881.14 is: 516,840.32
Step by Step Solution
- Step 1: Write the proportion equation
456,853.14 : 629,853.30 = 374,881.14 : x - Step 2: Convert to fraction form
456,853.14/629,853.30 = 374,881.14/x - Step 3: Cross multiply
456,853.14x = 629,853.30 × 374,881.14 - Step 4: Simplify right side
456,853.14x = 236,120,123,136.76 - Step 5: Solve for x
x = 236,120,123,136.76/456,853.14 - Step 6: Final answer
x = 516,840.32
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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.