Finding the Fourth Proportional to 201,621.10, 302,468.10 and 101,529.40
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Solution
The fourth proportional to 201,621.10, 302,468.10 and 101,529.40 is: 152,312.45
Step by Step Solution
- Step 1: Write the proportion equation
201,621.10 : 302,468.10 = 101,529.40 : x - Step 2: Convert to fraction form
201,621.10/302,468.10 = 101,529.40/x - Step 3: Cross multiply
201,621.10x = 302,468.10 × 101,529.40 - Step 4: Simplify right side
201,621.10x = 30,709,404,712.14 - Step 5: Solve for x
x = 30,709,404,712.14/201,621.10 - Step 6: Final answer
x = 152,312.45
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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.