Finding the Fourth Proportional to 415,797.98, 623,773.90 and 131,560.08
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Solution
The fourth proportional to 415,797.98, 623,773.90 and 131,560.08 is: 197,364.46
Step by Step Solution
- Step 1: Write the proportion equation
415,797.98 : 623,773.90 = 131,560.08 : x - Step 2: Convert to fraction form
415,797.98/623,773.90 = 131,560.08/x - Step 3: Cross multiply
415,797.98x = 623,773.90 × 131,560.08 - Step 4: Simplify right side
415,797.98x = 82,063,745,889.95 - Step 5: Solve for x
x = 82,063,745,889.95/415,797.98 - Step 6: Final answer
x = 197,364.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.