Finding the Fourth Proportional to 201,663.80, 302,495.70 and 135,135.80
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Solution
The fourth proportional to 201,663.80, 302,495.70 and 135,135.80 is: 202,703.70
Step by Step Solution
- Step 1: Write the proportion equation
201,663.80 : 302,495.70 = 135,135.80 : x - Step 2: Convert to fraction form
201,663.80/302,495.70 = 135,135.80/x - Step 3: Cross multiply
201,663.80x = 302,495.70 × 135,135.80 - Step 4: Simplify right side
201,663.80x = 40,877,998,416.06 - Step 5: Solve for x
x = 40,877,998,416.06/201,663.80 - Step 6: Final answer
x = 202,703.70
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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.