Finding the Fourth Proportional to 457,027.50, 630,693.57 and 263,364.06
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Solution
The fourth proportional to 457,027.50, 630,693.57 and 263,364.06 is: 363,439.88
Step by Step Solution
- Step 1: Write the proportion equation
457,027.50 : 630,693.57 = 263,364.06 : x - Step 2: Convert to fraction form
457,027.50/630,693.57 = 263,364.06/x - Step 3: Cross multiply
457,027.50x = 630,693.57 × 263,364.06 - Step 4: Simplify right side
457,027.50x = 166,102,019,211.09 - Step 5: Solve for x
x = 166,102,019,211.09/457,027.50 - Step 6: Final answer
x = 363,439.88
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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.