Finding the Fourth Proportional to 507,939.99, 700,958.17 and 281,585.49
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Solution
The fourth proportional to 507,939.99, 700,958.17 and 281,585.49 is: 388,588.52
Step by Step Solution
- Step 1: Write the proportion equation
507,939.99 : 700,958.17 = 281,585.49 : x - Step 2: Convert to fraction form
507,939.99/700,958.17 = 281,585.49/x - Step 3: Cross multiply
507,939.99x = 700,958.17 × 281,585.49 - Step 4: Simplify right side
507,939.99x = 197,379,649,768.95 - Step 5: Solve for x
x = 197,379,649,768.95/507,939.99 - Step 6: Final answer
x = 388,588.52
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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.