Finding the Fourth Proportional to 177,641.58, 266,282.70 and 76,505.58
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Solution
The fourth proportional to 177,641.58, 266,282.70 and 76,505.58 is: 114,680.99
Step by Step Solution
- Step 1: Write the proportion equation
177,641.58 : 266,282.70 = 76,505.58 : x - Step 2: Convert to fraction form
177,641.58/266,282.70 = 76,505.58/x - Step 3: Cross multiply
177,641.58x = 266,282.70 × 76,505.58 - Step 4: Simplify right side
177,641.58x = 20,372,112,407.47 - Step 5: Solve for x
x = 20,372,112,407.47/177,641.58 - Step 6: Final answer
x = 114,680.99
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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.