Finding the Fourth Proportional to 279,360.24, 419,029.08 and 68,992.80
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Solution
The fourth proportional to 279,360.24, 419,029.08 and 68,992.80 is: 103,486.41
Step by Step Solution
- Step 1: Write the proportion equation
279,360.24 : 419,029.08 = 68,992.80 : x - Step 2: Convert to fraction form
279,360.24/419,029.08 = 68,992.80/x - Step 3: Cross multiply
279,360.24x = 419,029.08 × 68,992.80 - Step 4: Simplify right side
279,360.24x = 28,909,989,510.62 - Step 5: Solve for x
x = 28,909,989,510.62/279,360.24 - Step 6: Final answer
x = 103,486.41
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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.