Finding the Fourth Proportional to 376,270.40, 519,253.50 and 215,128.83
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Solution
The fourth proportional to 376,270.40, 519,253.50 and 215,128.83 is: 296,877.99
Step by Step Solution
- Step 1: Write the proportion equation
376,270.40 : 519,253.50 = 215,128.83 : x - Step 2: Convert to fraction form
376,270.40/519,253.50 = 215,128.83/x - Step 3: Cross multiply
376,270.40x = 519,253.50 × 215,128.83 - Step 4: Simplify right side
376,270.40x = 111,706,397,928.41 - Step 5: Solve for x
x = 111,706,397,928.41/376,270.40 - Step 6: Final answer
x = 296,877.99
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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.