Finding the Fourth Proportional to 376,455.12, 519,604.01 and 215,360.70
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Solution
The fourth proportional to 376,455.12, 519,604.01 and 215,360.70 is: 297,252.65
Step by Step Solution
- Step 1: Write the proportion equation
376,455.12 : 519,604.01 = 215,360.70 : x - Step 2: Convert to fraction form
376,455.12/519,604.01 = 215,360.70/x - Step 3: Cross multiply
376,455.12x = 519,604.01 × 215,360.70 - Step 4: Simplify right side
376,455.12x = 111,902,283,316.41 - Step 5: Solve for x
x = 111,902,283,316.41/376,455.12 - Step 6: Final answer
x = 297,252.65
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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.