Finding the Fourth Proportional to 395,482.30, 545,762.51 and 214,193.67
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Solution
The fourth proportional to 395,482.30, 545,762.51 and 214,193.67 is: 295,585.60
Step by Step Solution
- Step 1: Write the proportion equation
395,482.30 : 545,762.51 = 214,193.67 : x - Step 2: Convert to fraction form
395,482.30/545,762.51 = 214,193.67/x - Step 3: Cross multiply
395,482.30x = 545,762.51 × 214,193.67 - Step 4: Simplify right side
395,482.30x = 116,898,872,650.96 - Step 5: Solve for x
x = 116,898,872,650.96/395,482.30 - Step 6: Final answer
x = 295,585.60
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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.