Finding the Fourth Proportional to 657,050.67, 985,682.52 and 257,474.79
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Solution
The fourth proportional to 657,050.67, 985,682.52 and 257,474.79 is: 386,253.92
Step by Step Solution
- Step 1: Write the proportion equation
657,050.67 : 985,682.52 = 257,474.79 : x - Step 2: Convert to fraction form
657,050.67/985,682.52 = 257,474.79/x - Step 3: Cross multiply
657,050.67x = 985,682.52 × 257,474.79 - Step 4: Simplify right side
657,050.67x = 253,788,399,843.67 - Step 5: Solve for x
x = 253,788,399,843.67/657,050.67 - Step 6: Final answer
x = 386,253.92
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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.