Finding the Fourth Proportional to 247,278.02, 370,912.99 and 78,796.07
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Solution
The fourth proportional to 247,278.02, 370,912.99 and 78,796.07 is: 118,192.82
Step by Step Solution
- Step 1: Write the proportion equation
247,278.02 : 370,912.99 = 78,796.07 : x - Step 2: Convert to fraction form
247,278.02/370,912.99 = 78,796.07/x - Step 3: Cross multiply
247,278.02x = 370,912.99 × 78,796.07 - Step 4: Simplify right side
247,278.02x = 29,226,485,923.95 - Step 5: Solve for x
x = 29,226,485,923.95/247,278.02 - Step 6: Final answer
x = 118,192.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.