Finding the Fourth Proportional to 178,267.02, 266,883.54 and 138,704.19
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Solution
The fourth proportional to 178,267.02, 266,883.54 and 138,704.19 is: 207,654.03
Step by Step Solution
- Step 1: Write the proportion equation
178,267.02 : 266,883.54 = 138,704.19 : x - Step 2: Convert to fraction form
178,267.02/266,883.54 = 138,704.19/x - Step 3: Cross multiply
178,267.02x = 266,883.54 × 138,704.19 - Step 4: Simplify right side
178,267.02x = 37,017,865,240.03 - Step 5: Solve for x
x = 37,017,865,240.03/178,267.02 - Step 6: Final answer
x = 207,654.03
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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.