Finding the Fourth Proportional to 437,399.80, 656,125.62 and 137,889.88
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Solution
The fourth proportional to 437,399.80, 656,125.62 and 137,889.88 is: 206,842.99
Step by Step Solution
- Step 1: Write the proportion equation
437,399.80 : 656,125.62 = 137,889.88 : x - Step 2: Convert to fraction form
437,399.80/656,125.62 = 137,889.88/x - Step 3: Cross multiply
437,399.80x = 656,125.62 × 137,889.88 - Step 4: Simplify right side
437,399.80x = 90,473,083,006.73 - Step 5: Solve for x
x = 90,473,083,006.73/437,399.80 - Step 6: Final answer
x = 206,842.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.