Finding the Fourth Proportional to 457,195.10, 630,869.45 and 263,610.09
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Solution
The fourth proportional to 457,195.10, 630,869.45 and 263,610.09 is: 363,747.45
Step by Step Solution
- Step 1: Write the proportion equation
457,195.10 : 630,869.45 = 263,610.09 : x - Step 2: Convert to fraction form
457,195.10/630,869.45 = 263,610.09/x - Step 3: Cross multiply
457,195.10x = 630,869.45 × 263,610.09 - Step 4: Simplify right side
457,195.10x = 166,303,551,174.70 - Step 5: Solve for x
x = 166,303,551,174.70/457,195.10 - Step 6: Final answer
x = 363,747.45
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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.