Finding the Fourth Proportional to 177,628.15, 266,484.11 and 57,684.70
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Solution
The fourth proportional to 177,628.15, 266,484.11 and 57,684.70 is: 86,540.65
Step by Step Solution
- Step 1: Write the proportion equation
177,628.15 : 266,484.11 = 57,684.70 : x - Step 2: Convert to fraction form
177,628.15/266,484.11 = 57,684.70/x - Step 3: Cross multiply
177,628.15x = 266,484.11 × 57,684.70 - Step 4: Simplify right side
177,628.15x = 15,372,055,940.12 - Step 5: Solve for x
x = 15,372,055,940.12/177,628.15 - Step 6: Final answer
x = 86,540.65
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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.