Finding the Fourth Proportional to 372,914.20, 514,607.99 and 227,962.75
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Solution
The fourth proportional to 372,914.20, 514,607.99 and 227,962.75 is: 314,580.28
Step by Step Solution
- Step 1: Write the proportion equation
372,914.20 : 514,607.99 = 227,962.75 : x - Step 2: Convert to fraction form
372,914.20/514,607.99 = 227,962.75/x - Step 3: Cross multiply
372,914.20x = 514,607.99 × 227,962.75 - Step 4: Simplify right side
372,914.20x = 117,311,452,572.37 - Step 5: Solve for x
x = 117,311,452,572.37/372,914.20 - Step 6: Final answer
x = 314,580.28
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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.