Finding the Fourth Proportional to 399,490.14, 599,237.46 and 133,249.92
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Solution
The fourth proportional to 399,490.14, 599,237.46 and 133,249.92 is: 199,875.63
Step by Step Solution
- Step 1: Write the proportion equation
399,490.14 : 599,237.46 = 133,249.92 : x - Step 2: Convert to fraction form
399,490.14/599,237.46 = 133,249.92/x - Step 3: Cross multiply
399,490.14x = 599,237.46 × 133,249.92 - Step 4: Simplify right side
399,490.14x = 79,848,343,606.00 - Step 5: Solve for x
x = 79,848,343,606.00/399,490.14 - Step 6: Final answer
x = 199,875.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.