Finding the Fourth Proportional to 556,819.20, 835,228.80 and 201,844.80
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Solution
The fourth proportional to 556,819.20, 835,228.80 and 201,844.80 is: 302,767.20
Step by Step Solution
- Step 1: Write the proportion equation
556,819.20 : 835,228.80 = 201,844.80 : x - Step 2: Convert to fraction form
556,819.20/835,228.80 = 201,844.80/x - Step 3: Cross multiply
556,819.20x = 835,228.80 × 201,844.80 - Step 4: Simplify right side
556,819.20x = 168,586,590,090.24 - Step 5: Solve for x
x = 168,586,590,090.24/556,819.20 - Step 6: Final answer
x = 302,767.20
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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.