Finding the Fourth Proportional to 372,828.42, 514,327.32 and 252,011.88
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Solution
The fourth proportional to 372,828.42, 514,327.32 and 252,011.88 is: 347,657.50
Step by Step Solution
- Step 1: Write the proportion equation
372,828.42 : 514,327.32 = 252,011.88 : x - Step 2: Convert to fraction form
372,828.42/514,327.32 = 252,011.88/x - Step 3: Cross multiply
372,828.42x = 514,327.32 × 252,011.88 - Step 4: Simplify right side
372,828.42x = 129,616,594,848.56 - Step 5: Solve for x
x = 129,616,594,848.56/372,828.42 - Step 6: Final answer
x = 347,657.50
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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.