Finding the Fourth Proportional to 455,344.96, 628,372.64 and 251,395.84
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Solution
The fourth proportional to 455,344.96, 628,372.64 and 251,395.84 is: 346,924.38
Step by Step Solution
- Step 1: Write the proportion equation
455,344.96 : 628,372.64 = 251,395.84 : x - Step 2: Convert to fraction form
455,344.96/628,372.64 = 251,395.84/x - Step 3: Cross multiply
455,344.96x = 628,372.64 × 251,395.84 - Step 4: Simplify right side
455,344.96x = 157,970,267,665.82 - Step 5: Solve for x
x = 157,970,267,665.82/455,344.96 - Step 6: Final answer
x = 346,924.38
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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.