Finding the Fourth Proportional to 551,331.99, 827,112.81 and 172,237.41
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Solution
The fourth proportional to 551,331.99, 827,112.81 and 172,237.41 is: 258,391.99
Step by Step Solution
- Step 1: Write the proportion equation
551,331.99 : 827,112.81 = 172,237.41 : x - Step 2: Convert to fraction form
551,331.99/827,112.81 = 172,237.41/x - Step 3: Cross multiply
551,331.99x = 827,112.81 × 172,237.41 - Step 4: Simplify right side
551,331.99x = 142,459,769,933.32 - Step 5: Solve for x
x = 142,459,769,933.32/551,331.99 - Step 6: Final answer
x = 258,391.99
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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.