Finding the Fourth Proportional to 363,588.31, 545,631.58 and 126,930.99
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Solution
The fourth proportional to 363,588.31, 545,631.58 and 126,930.99 is: 190,483.45
Step by Step Solution
- Step 1: Write the proportion equation
363,588.31 : 545,631.58 = 126,930.99 : x - Step 2: Convert to fraction form
363,588.31/545,631.58 = 126,930.99/x - Step 3: Cross multiply
363,588.31x = 545,631.58 × 126,930.99 - Step 4: Simplify right side
363,588.31x = 69,257,556,307.34 - Step 5: Solve for x
x = 69,257,556,307.34/363,588.31 - Step 6: Final answer
x = 190,483.45
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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.