Finding the Fourth Proportional to 297,192.96, 445,685.76 and 130,890.24
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Solution
The fourth proportional to 297,192.96, 445,685.76 and 130,890.24 is: 196,289.70
Step by Step Solution
- Step 1: Write the proportion equation
297,192.96 : 445,685.76 = 130,890.24 : x - Step 2: Convert to fraction form
297,192.96/445,685.76 = 130,890.24/x - Step 3: Cross multiply
297,192.96x = 445,685.76 × 130,890.24 - Step 4: Simplify right side
297,192.96x = 58,335,916,090.98 - Step 5: Solve for x
x = 58,335,916,090.98/297,192.96 - Step 6: Final answer
x = 196,289.70
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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.