Finding the Fourth Proportional to 80,159.47, 120,237.99 and 27,569.41
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Solution
The fourth proportional to 80,159.47, 120,237.99 and 27,569.41 is: 41,353.70
Step by Step Solution
- Step 1: Write the proportion equation
80,159.47 : 120,237.99 = 27,569.41 : x - Step 2: Convert to fraction form
80,159.47/120,237.99 = 27,569.41/x - Step 3: Cross multiply
80,159.47x = 120,237.99 × 27,569.41 - Step 4: Simplify right side
80,159.47x = 3,314,890,443.89 - Step 5: Solve for x
x = 3,314,890,443.89/80,159.47 - Step 6: Final answer
x = 41,353.70
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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.