Finding the Fourth Proportional to 376,125.62, 518,917.14 and 247,133.56
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Solution
The fourth proportional to 376,125.62, 518,917.14 and 247,133.56 is: 340,954.81
Step by Step Solution
- Step 1: Write the proportion equation
376,125.62 : 518,917.14 = 247,133.56 : x - Step 2: Convert to fraction form
376,125.62/518,917.14 = 247,133.56/x - Step 3: Cross multiply
376,125.62x = 518,917.14 × 247,133.56 - Step 4: Simplify right side
376,125.62x = 128,241,840,153.22 - Step 5: Solve for x
x = 128,241,840,153.22/376,125.62 - Step 6: Final answer
x = 340,954.81
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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.