Finding the Fourth Proportional to 372,811.48, 514,485.70 and 203,045.48
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Solution
The fourth proportional to 372,811.48, 514,485.70 and 203,045.48 is: 280,205.95
Step by Step Solution
- Step 1: Write the proportion equation
372,811.48 : 514,485.70 = 203,045.48 : x - Step 2: Convert to fraction form
372,811.48/514,485.70 = 203,045.48/x - Step 3: Cross multiply
372,811.48x = 514,485.70 × 203,045.48 - Step 4: Simplify right side
372,811.48x = 104,463,995,909.64 - Step 5: Solve for x
x = 104,463,995,909.64/372,811.48 - Step 6: Final answer
x = 280,205.95
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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.