Finding the Fourth Proportional to 177,977.67, 266,966.46 and 53,318.67
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Solution
The fourth proportional to 177,977.67, 266,966.46 and 53,318.67 is: 79,977.99
Step by Step Solution
- Step 1: Write the proportion equation
177,977.67 : 266,966.46 = 53,318.67 : x - Step 2: Convert to fraction form
177,977.67/266,966.46 = 53,318.67/x - Step 3: Cross multiply
177,977.67x = 266,966.46 × 53,318.67 - Step 4: Simplify right side
177,977.67x = 14,234,296,581.81 - Step 5: Solve for x
x = 14,234,296,581.81/177,977.67 - Step 6: Final answer
x = 79,977.99
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1.5x scale
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.