Finding the Fourth Proportional to 178,202.13, 266,564.47 and 135,761.10
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Solution
The fourth proportional to 178,202.13, 266,564.47 and 135,761.10 is: 203,078.86
Step by Step Solution
- Step 1: Write the proportion equation
178,202.13 : 266,564.47 = 135,761.10 : x - Step 2: Convert to fraction form
178,202.13/266,564.47 = 135,761.10/x - Step 3: Cross multiply
178,202.13x = 266,564.47 × 135,761.10 - Step 4: Simplify right side
178,202.13x = 36,189,085,328.71 - Step 5: Solve for x
x = 36,189,085,328.71/178,202.13 - Step 6: Final answer
x = 203,078.86
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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.