Finding the Fourth Proportional to 372,777.72, 514,438.74 and 203,011.44
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Solution
The fourth proportional to 372,777.72, 514,438.74 and 203,011.44 is: 280,158.78
Step by Step Solution
- Step 1: Write the proportion equation
372,777.72 : 514,438.74 = 203,011.44 : x - Step 2: Convert to fraction form
372,777.72/514,438.74 = 203,011.44/x - Step 3: Cross multiply
372,777.72x = 514,438.74 × 203,011.44 - Step 4: Simplify right side
372,777.72x = 104,436,949,399.19 - Step 5: Solve for x
x = 104,436,949,399.19/372,777.72 - Step 6: Final answer
x = 280,158.78
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1.5x scale
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.