Finding the Fourth Proportional to 177,400.96, 266,023.36 and 66,515.20
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Solution
The fourth proportional to 177,400.96, 266,023.36 and 66,515.20 is: 99,743.52
Step by Step Solution
- Step 1: Write the proportion equation
177,400.96 : 266,023.36 = 66,515.20 : x - Step 2: Convert to fraction form
177,400.96/266,023.36 = 66,515.20/x - Step 3: Cross multiply
177,400.96x = 266,023.36 × 66,515.20 - Step 4: Simplify right side
177,400.96x = 17,694,596,995.07 - Step 5: Solve for x
x = 17,694,596,995.07/177,400.96 - Step 6: Final answer
x = 99,743.52
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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.