Finding the Fourth Proportional to 177,845.06, 266,842.47 and 77,953.70
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Solution
The fourth proportional to 177,845.06, 266,842.47 and 77,953.70 is: 116,963.37
Step by Step Solution
- Step 1: Write the proportion equation
177,845.06 : 266,842.47 = 77,953.70 : x - Step 2: Convert to fraction form
177,845.06/266,842.47 = 77,953.70/x - Step 3: Cross multiply
177,845.06x = 266,842.47 × 77,953.70 - Step 4: Simplify right side
177,845.06x = 20,801,357,853.64 - Step 5: Solve for x
x = 20,801,357,853.64/177,845.06 - Step 6: Final answer
x = 116,963.37
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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.