Finding the Fourth Proportional to 421,950.15, 632,857.01 and 155,835.99
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Solution
The fourth proportional to 421,950.15, 632,857.01 and 155,835.99 is: 233,728.79
Step by Step Solution
- Step 1: Write the proportion equation
421,950.15 : 632,857.01 = 155,835.99 : x - Step 2: Convert to fraction form
421,950.15/632,857.01 = 155,835.99/x - Step 3: Cross multiply
421,950.15x = 632,857.01 × 155,835.99 - Step 4: Simplify right side
421,950.15x = 98,621,897,902.61 - Step 5: Solve for x
x = 98,621,897,902.61/421,950.15 - Step 6: Final answer
x = 233,728.79
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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.