Finding the Fourth Proportional to 376,912.02, 520,116.72 and 207,146.14
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Solution
The fourth proportional to 376,912.02, 520,116.72 and 207,146.14 is: 285,849.66
Step by Step Solution
- Step 1: Write the proportion equation
376,912.02 : 520,116.72 = 207,146.14 : x - Step 2: Convert to fraction form
376,912.02/520,116.72 = 207,146.14/x - Step 3: Cross multiply
376,912.02x = 520,116.72 × 207,146.14 - Step 4: Simplify right side
376,912.02x = 107,740,170,897.46 - Step 5: Solve for x
x = 107,740,170,897.46/376,912.02 - Step 6: Final answer
x = 285,849.66
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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.