Finding the Fourth Proportional to 285,035.23, 393,177.23 and 188,239.98
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Solution
The fourth proportional to 285,035.23, 393,177.23 and 188,239.98 is: 259,657.99
Step by Step Solution
- Step 1: Write the proportion equation
285,035.23 : 393,177.23 = 188,239.98 : x - Step 2: Convert to fraction form
285,035.23/393,177.23 = 188,239.98/x - Step 3: Cross multiply
285,035.23x = 393,177.23 × 188,239.98 - Step 4: Simplify right side
285,035.23x = 74,011,673,911.66 - Step 5: Solve for x
x = 74,011,673,911.66/285,035.23 - Step 6: Final answer
x = 259,657.99
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1.5x scale
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.