Finding the Fourth Proportional to 177,830.60, 266,357.10 and 138,075.80
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Solution
The fourth proportional to 177,830.60, 266,357.10 and 138,075.80 is: 206,811.82
Step by Step Solution
- Step 1: Write the proportion equation
177,830.60 : 266,357.10 = 138,075.80 : x - Step 2: Convert to fraction form
177,830.60/266,357.10 = 138,075.80/x - Step 3: Cross multiply
177,830.60x = 266,357.10 × 138,075.80 - Step 4: Simplify right side
177,830.60x = 36,777,469,668.18 - Step 5: Solve for x
x = 36,777,469,668.18/177,830.60 - Step 6: Final answer
x = 206,811.82
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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.