Finding the Fourth Proportional to 177,624.80, 266,398.80 and 77,784.80
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Solution
The fourth proportional to 177,624.80, 266,398.80 and 77,784.80 is: 116,660.38
Step by Step Solution
- Step 1: Write the proportion equation
177,624.80 : 266,398.80 = 77,784.80 : x - Step 2: Convert to fraction form
177,624.80/266,398.80 = 77,784.80/x - Step 3: Cross multiply
177,624.80x = 266,398.80 × 77,784.80 - Step 4: Simplify right side
177,624.80x = 20,721,777,378.24 - Step 5: Solve for x
x = 20,721,777,378.24/177,624.80 - Step 6: Final answer
x = 116,660.38
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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.