Finding the Fourth Proportional to 161,827.42, 242,519.46 and 102,704.58
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Solution
The fourth proportional to 161,827.42, 242,519.46 and 102,704.58 is: 153,916.19
Step by Step Solution
- Step 1: Write the proportion equation
161,827.42 : 242,519.46 = 102,704.58 : x - Step 2: Convert to fraction form
161,827.42/242,519.46 = 102,704.58/x - Step 3: Cross multiply
161,827.42x = 242,519.46 × 102,704.58 - Step 4: Simplify right side
161,827.42x = 24,907,859,281.13 - Step 5: Solve for x
x = 24,907,859,281.13/161,827.42 - Step 6: Final answer
x = 153,916.19
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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.