Finding the Fourth Proportional to 285,035.48, 393,177.58 and 188,240.23
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Solution
The fourth proportional to 285,035.48, 393,177.58 and 188,240.23 is: 259,658.33
Step by Step Solution
- Step 1: Write the proportion equation
285,035.48 : 393,177.58 = 188,240.23 : x - Step 2: Convert to fraction form
285,035.48/393,177.58 = 188,240.23/x - Step 3: Cross multiply
285,035.48x = 393,177.58 × 188,240.23 - Step 4: Simplify right side
285,035.48x = 74,011,838,090.04 - Step 5: Solve for x
x = 74,011,838,090.04/285,035.48 - Step 6: Final answer
x = 259,658.33
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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.