Finding the Fourth Proportional to 177,978.62, 245,605.02 and 97,404.41
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Solution
The fourth proportional to 177,978.62, 245,605.02 and 97,404.41 is: 134,415.09
Step by Step Solution
- Step 1: Write the proportion equation
177,978.62 : 245,605.02 = 97,404.41 : x - Step 2: Convert to fraction form
177,978.62/245,605.02 = 97,404.41/x - Step 3: Cross multiply
177,978.62x = 245,605.02 × 97,404.41 - Step 4: Simplify right side
177,978.62x = 23,923,012,066.14 - Step 5: Solve for x
x = 23,923,012,066.14/177,978.62 - Step 6: Final answer
x = 134,415.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.