Finding the Fourth Proportional to 201,813.80, 302,720.70 and 108,501.80
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Solution
The fourth proportional to 201,813.80, 302,720.70 and 108,501.80 is: 162,752.70
Step by Step Solution
- Step 1: Write the proportion equation
201,813.80 : 302,720.70 = 108,501.80 : x - Step 2: Convert to fraction form
201,813.80/302,720.70 = 108,501.80/x - Step 3: Cross multiply
201,813.80x = 302,720.70 × 108,501.80 - Step 4: Simplify right side
201,813.80x = 32,845,740,847.26 - Step 5: Solve for x
x = 32,845,740,847.26/201,813.80 - Step 6: Final answer
x = 162,752.70
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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.