Finding the Fourth Proportional to 307,977.99, 461,886.79 and 130,393.59
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Solution
The fourth proportional to 307,977.99, 461,886.79 and 130,393.59 is: 195,556.43
Step by Step Solution
- Step 1: Write the proportion equation
307,977.99 : 461,886.79 = 130,393.59 : x - Step 2: Convert to fraction form
307,977.99/461,886.79 = 130,393.59/x - Step 3: Cross multiply
307,977.99x = 461,886.79 × 130,393.59 - Step 4: Simplify right side
307,977.99x = 60,227,073,760.27 - Step 5: Solve for x
x = 60,227,073,760.27/307,977.99 - Step 6: Final answer
x = 195,556.43
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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.