Finding the Fourth Proportional to 201,355.60, 302,119.80 and 102,859.60
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Solution
The fourth proportional to 201,355.60, 302,119.80 and 102,859.60 is: 154,333.54
Step by Step Solution
- Step 1: Write the proportion equation
201,355.60 : 302,119.80 = 102,859.60 : x - Step 2: Convert to fraction form
201,355.60/302,119.80 = 102,859.60/x - Step 3: Cross multiply
201,355.60x = 302,119.80 × 102,859.60 - Step 4: Simplify right side
201,355.60x = 31,075,921,780.08 - Step 5: Solve for x
x = 31,075,921,780.08/201,355.60 - Step 6: Final answer
x = 154,333.54
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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.