Finding the Fourth Proportional to 137,505.94, 206,259.07 and 37,666.99
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Solution
The fourth proportional to 137,505.94, 206,259.07 and 37,666.99 is: 56,500.53
Step by Step Solution
- Step 1: Write the proportion equation
137,505.94 : 206,259.07 = 37,666.99 : x - Step 2: Convert to fraction form
137,505.94/206,259.07 = 37,666.99/x - Step 3: Cross multiply
137,505.94x = 206,259.07 × 37,666.99 - Step 4: Simplify right side
137,505.94x = 7,769,157,717.28 - Step 5: Solve for x
x = 7,769,157,717.28/137,505.94 - Step 6: Final answer
x = 56,500.53
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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.