Finding the Fourth Proportional to 201,522.24, 278,140.46 and 115,538.98
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Solution
The fourth proportional to 201,522.24, 278,140.46 and 115,538.98 is: 159,466.59
Step by Step Solution
- Step 1: Write the proportion equation
201,522.24 : 278,140.46 = 115,538.98 : x - Step 2: Convert to fraction form
201,522.24/278,140.46 = 115,538.98/x - Step 3: Cross multiply
201,522.24x = 278,140.46 × 115,538.98 - Step 4: Simplify right side
201,522.24x = 32,136,065,045.13 - Step 5: Solve for x
x = 32,136,065,045.13/201,522.24 - Step 6: Final answer
x = 159,466.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.