Finding the Fourth Proportional to 331,575.84, 457,560.36 and 188,335.44
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Solution
The fourth proportional to 331,575.84, 457,560.36 and 188,335.44 is: 259,894.79
Step by Step Solution
- Step 1: Write the proportion equation
331,575.84 : 457,560.36 = 188,335.44 : x - Step 2: Convert to fraction form
331,575.84/457,560.36 = 188,335.44/x - Step 3: Cross multiply
331,575.84x = 457,560.36 × 188,335.44 - Step 4: Simplify right side
331,575.84x = 86,174,831,727.16 - Step 5: Solve for x
x = 86,174,831,727.16/331,575.84 - Step 6: Final answer
x = 259,894.79
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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.