Finding the Fourth Proportional to 478,878.77, 718,529.89 and 251,119.97
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Solution
The fourth proportional to 478,878.77, 718,529.89 and 251,119.97 is: 376,790.99
Step by Step Solution
- Step 1: Write the proportion equation
478,878.77 : 718,529.89 = 251,119.97 : x - Step 2: Convert to fraction form
478,878.77/718,529.89 = 251,119.97/x - Step 3: Cross multiply
478,878.77x = 718,529.89 × 251,119.97 - Step 4: Simplify right side
478,878.77x = 180,437,204,420.90 - Step 5: Solve for x
x = 180,437,204,420.90/478,878.77 - Step 6: Final answer
x = 376,790.99
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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.