Finding the Fourth Proportional to 297,900.99, 411,107.34 and 161,937.03
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Solution
The fourth proportional to 297,900.99, 411,107.34 and 161,937.03 is: 223,475.26
Step by Step Solution
- Step 1: Write the proportion equation
297,900.99 : 411,107.34 = 161,937.03 : x - Step 2: Convert to fraction form
297,900.99/411,107.34 = 161,937.03/x - Step 3: Cross multiply
297,900.99x = 411,107.34 × 161,937.03 - Step 4: Simplify right side
297,900.99x = 66,573,501,650.80 - Step 5: Solve for x
x = 66,573,501,650.80/297,900.99 - Step 6: Final answer
x = 223,475.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.