Finding the Fourth Proportional to 177,642.32, 245,143.44 and 97,067.99
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Solution
The fourth proportional to 177,642.32, 245,143.44 and 97,067.99 is: 133,952.21
Step by Step Solution
- Step 1: Write the proportion equation
177,642.32 : 245,143.44 = 97,067.99 : x - Step 2: Convert to fraction form
177,642.32/245,143.44 = 97,067.99/x - Step 3: Cross multiply
177,642.32x = 245,143.44 × 97,067.99 - Step 4: Simplify right side
177,642.32x = 23,795,580,982.49 - Step 5: Solve for x
x = 23,795,580,982.49/177,642.32 - Step 6: Final answer
x = 133,952.21
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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.