Finding the Fourth Proportional to 658,644.21, 987,968.70 and 160,008.21
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Solution
The fourth proportional to 658,644.21, 987,968.70 and 160,008.21 is: 240,012.89
Step by Step Solution
- Step 1: Write the proportion equation
658,644.21 : 987,968.70 = 160,008.21 : x - Step 2: Convert to fraction form
658,644.21/987,968.70 = 160,008.21/x - Step 3: Cross multiply
658,644.21x = 987,968.70 × 160,008.21 - Step 4: Simplify right side
658,644.21x = 158,083,103,223.03 - Step 5: Solve for x
x = 158,083,103,223.03/658,644.21 - Step 6: Final answer
x = 240,012.89
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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.